256721400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 480

約数和(自身を含む): 1020872160

約数和(自身を除く): 764150760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 25, 26, 27, 30, 36, 39, 40, 45, 46, 50, 52, 53, 54, 60, 65, 69, 72, 75, 78, 81, 90, 92, 100, 104, 106, 108, 115, 117, 120, 130, 135, 138, 150, 156, 159, 162, 180, 184, 195, 200, 207, 212, 216, 225, 230, 234, 260, 265, 270, 276, 299, 300, 312, 318, 324, 325, 345, 351, 360, 390, 405, 414, 424, 450, 460, 468, 477, 520, 530, 540, 552, 575, 585, 598, 600, 621, 636, 648, 650, 675, 689, 690, 702, 780, 795, 810, 828, 897, 900, 920, 936, 954, 975, 1035, 1053, 1060, 1080, 1150, 1170, 1196, 1219, 1242, 1272, 1300, 1325, 1350, 1378, 1380, 1404, 1431, 1495, 1560, 1590, 1620, 1656, 1725, 1755, 1794, 1800, 1863, 1908, 1950, 2025, 2067, 2070, 2106, 2120, 2300, 2340, 2385, 2392, 2438, 2484, 2600, 2650, 2691, 2700, 2756, 2760, 2808, 2862, 2925, 2990, 3105, 3180, 3240, 3445, 3450, 3510, 3588, 3657, 3726, 3816, 3900, 3975, 4050, 4134, 4140, 4212, 4293, 4485, 4600, 4680, 4770, 4876, 4968, 5175, 5265, 5300, 5382, 5400, 5512, 5724, 5850, 5980, 6095, 6201, 6210, 6360, 6890, 6900, 7020, 7155, 7176, 7314, 7452, 7475, 7800, 7950, 8073, 8100, 8268, 8280, 8424, 8586, 8775, 8970, 9315, 9540, 9752, 10335, 10350, 10530, 10600, 10764, 10971, 11448, 11700, 11925, 11960, 12190, 12402, 12420, 13455, 13780, 13800, 14040, 14310, 14628, 14904, 14950, 15525, 15847, 15900, 16146, 16200, 16536, 17172, 17225, 17550, 17940, 18285, 18603, 18630, 19080, 20670, 20700, 21060, 21465, 21528, 21942, 22425, 23400, 23850, 24219, 24380, 24804, 24840, 26325, 26910, 27560, 28620, 29256, 29900, 30475, 31005, 31050, 31694, 31800, 32292, 32913, 34344, 34450, 35100, 35775, 35880, 36570, 37206, 37260, 40365, 41340, 41400, 42120, 42930, 43884, 44850, 46575, 47541, 47700, 48438, 48760, 49608, 51675, 52650, 53820, 54855, 55809, 57240, 59800, 60950, 62010, 62100, 63388, 64584, 65826, 67275, 68900, 70200, 71550, 73140, 74412, 74520, 79235, 80730, 82680, 85860, 87768, 89700, 91425, 93015, 93150, 95082, 95400, 96876, 98739, 103350, 105300, 107325, 107640, 109710, 111618, 121095, 121900, 124020, 124200, 126776, 131652, 134550, 137800, 142623, 143100, 146280, 148824, 155025, 158470, 161460, 164565, 171720, 179400, 182850, 186030, 186300, 190164, 193752, 197478, 201825, 206700, 210600, 214650, 219420, 223236, 237705, 242190, 243800, 248040, 263304, 269100, 274275, 279045, 285246, 286200, 310050, 316940, 322920, 329130, 365700, 372060, 372600, 380328, 394956, 396175, 403650, 413400, 427869, 429300, 438840, 446472, 465075, 475410, 484380, 493695, 538200, 548550, 558090, 570492, 605475, 620100, 633880, 658260, 713115, 731400, 744120, 789912, 792350, 807300, 822825, 855738, 858600, 930150, 950820, 968760, 987390, 1097100, 1116180, 1140984, 1188525, 1210950, 1240200, 1283607, 1316520, 1395225, 1426230, 1584700, 1614600, 1645650, 1711476, 1860300, 1901640, 1974780, 2139345, 2194200, 2232360, 2377050, 2421900, 2468475, 2567214, 2790450, 2852460, 3169400, 3291300, 3422952, 3565575, 3720600, 3949560, 4278690, 4754100, 4843800, 4936950, 5134428, 5580900, 5704920, 6418035, 6582600, 7131150, 8557380, 9508200, 9873900, 10268856, 10696725, 11161800, 12836070, 14262300, 17114760, 19747800, 21393450, 25672140, 28524600, 32090175, 42786900, 51344280, 64180350, 85573800, 128360700, 256721400]

約数ペア:

[(1, 256721400), (2, 128360700), (3, 85573800), (4, 64180350), (5, 51344280), (6, 42786900), (8, 32090175), (9, 28524600), (10, 25672140), (12, 21393450), (13, 19747800), (15, 17114760), (18, 14262300), (20, 12836070), (23, 11161800), (24, 10696725), (25, 10268856), (26, 9873900), (27, 9508200), (30, 8557380), (36, 7131150), (39, 6582600), (40, 6418035), (45, 5704920), (46, 5580900), (50, 5134428), (52, 4936950), (53, 4843800), (54, 4754100), (60, 4278690), (65, 3949560), (69, 3720600), (72, 3565575), (75, 3422952), (78, 3291300), (81, 3169400), (90, 2852460), (92, 2790450), (100, 2567214), (104, 2468475), (106, 2421900), (108, 2377050), (115, 2232360), (117, 2194200), (120, 2139345), (130, 1974780), (135, 1901640), (138, 1860300), (150, 1711476), (156, 1645650), (159, 1614600), (162, 1584700), (180, 1426230), (184, 1395225), (195, 1316520), (200, 1283607), (207, 1240200), (212, 1210950), (216, 1188525), (225, 1140984), (230, 1116180), (234, 1097100), (260, 987390), (265, 968760), (270, 950820), (276, 930150), (299, 858600), (300, 855738), (312, 822825), (318, 807300), (324, 792350), (325, 789912), (345, 744120), (351, 731400), (360, 713115), (390, 658260), (405, 633880), (414, 620100), (424, 605475), (450, 570492), (460, 558090), (468, 548550), (477, 538200), (520, 493695), (530, 484380), (540, 475410), (552, 465075), (575, 446472), (585, 438840), (598, 429300), (600, 427869), (621, 413400), (636, 403650), (648, 396175), (650, 394956), (675, 380328), (689, 372600), (690, 372060), (702, 365700), (780, 329130), (795, 322920), (810, 316940), (828, 310050), (897, 286200), (900, 285246), (920, 279045), (936, 274275), (954, 269100), (975, 263304), (1035, 248040), (1053, 243800), (1060, 242190), (1080, 237705), (1150, 223236), (1170, 219420), (1196, 214650), (1219, 210600), (1242, 206700), (1272, 201825), (1300, 197478), (1325, 193752), (1350, 190164), (1378, 186300), (1380, 186030), (1404, 182850), (1431, 179400), (1495, 171720), (1560, 164565), (1590, 161460), (1620, 158470), (1656, 155025), (1725, 148824), (1755, 146280), (1794, 143100), (1800, 142623), (1863, 137800), (1908, 134550), (1950, 131652), (2025, 126776), (2067, 124200), (2070, 124020), (2106, 121900), (2120, 121095), (2300, 111618), (2340, 109710), (2385, 107640), (2392, 107325), (2438, 105300), (2484, 103350), (2600, 98739), (2650, 96876), (2691, 95400), (2700, 95082), (2756, 93150), (2760, 93015), (2808, 91425), (2862, 89700), (2925, 87768), (2990, 85860), (3105, 82680), (3180, 80730), (3240, 79235), (3445, 74520), (3450, 74412), (3510, 73140), (3588, 71550), (3657, 70200), (3726, 68900), (3816, 67275), (3900, 65826), (3975, 64584), (4050, 63388), (4134, 62100), (4140, 62010), (4212, 60950), (4293, 59800), (4485, 57240), (4600, 55809), (4680, 54855), (4770, 53820), (4876, 52650), (4968, 51675), (5175, 49608), (5265, 48760), (5300, 48438), (5382, 47700), (5400, 47541), (5512, 46575), (5724, 44850), (5850, 43884), (5980, 42930), (6095, 42120), (6201, 41400), (6210, 41340), (6360, 40365), (6890, 37260), (6900, 37206), (7020, 36570), (7155, 35880), (7176, 35775), (7314, 35100), (7452, 34450), (7475, 34344), (7800, 32913), (7950, 32292), (8073, 31800), (8100, 31694), (8268, 31050), (8280, 31005), (8424, 30475), (8586, 29900), (8775, 29256), (8970, 28620), (9315, 27560), (9540, 26910), (9752, 26325), (10335, 24840), (10350, 24804), (10530, 24380), (10600, 24219), (10764, 23850), (10971, 23400), (11448, 22425), (11700, 21942), (11925, 21528), (11960, 21465), (12190, 21060), (12402, 20700), (12420, 20670), (13455, 19080), (13780, 18630), (13800, 18603), (14040, 18285), (14310, 17940), (14628, 17550), (14904, 17225), (14950, 17172), (15525, 16536), (15847, 16200), (15900, 16146)]