256907700

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 360

約数和(自身を含む): 998186112

約数和(自身を除く): 741278412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 27, 28, 30, 35, 36, 42, 45, 46, 50, 54, 60, 63, 69, 70, 75, 81, 84, 90, 92, 100, 105, 108, 115, 126, 135, 138, 140, 150, 161, 162, 175, 180, 189, 197, 207, 210, 225, 230, 252, 270, 276, 300, 315, 322, 324, 345, 350, 378, 394, 405, 414, 420, 450, 460, 483, 525, 540, 567, 575, 591, 621, 630, 644, 675, 690, 700, 756, 788, 805, 810, 828, 900, 945, 966, 985, 1035, 1050, 1134, 1150, 1182, 1242, 1260, 1350, 1379, 1380, 1449, 1575, 1610, 1620, 1725, 1773, 1863, 1890, 1932, 1970, 2025, 2070, 2100, 2268, 2300, 2364, 2415, 2484, 2700, 2758, 2835, 2898, 2955, 3105, 3150, 3220, 3450, 3546, 3726, 3780, 3940, 4025, 4050, 4137, 4140, 4347, 4531, 4725, 4830, 4925, 5175, 5319, 5516, 5670, 5796, 5910, 6210, 6300, 6895, 6900, 7092, 7245, 7452, 8050, 8100, 8274, 8694, 8865, 9062, 9315, 9450, 9660, 9850, 10350, 10638, 11340, 11820, 12075, 12411, 12420, 13041, 13593, 13790, 14175, 14490, 14775, 15525, 15957, 16100, 16548, 17388, 17730, 18124, 18630, 18900, 19700, 20685, 20700, 21276, 21735, 22655, 24150, 24822, 26082, 26595, 27186, 27580, 28350, 28980, 29550, 31050, 31717, 31914, 34475, 35460, 36225, 37233, 37260, 40779, 41370, 43470, 44325, 45310, 46575, 48300, 49644, 52164, 53190, 54372, 56700, 59100, 62055, 62100, 63434, 63828, 65205, 67965, 68950, 72450, 74466, 79785, 81558, 82740, 86940, 88650, 90620, 93150, 95151, 103425, 106380, 108675, 111699, 113275, 122337, 124110, 126868, 130410, 132975, 135930, 137900, 144900, 148932, 158585, 159570, 163116, 177300, 186165, 186300, 190302, 203895, 206850, 217350, 223398, 226550, 244674, 248220, 260820, 265950, 271860, 285453, 310275, 317170, 319140, 326025, 339825, 367011, 372330, 380604, 398925, 407790, 413700, 434700, 446796, 453100, 475755, 489348, 531900, 558495, 570906, 611685, 620550, 634340, 652050, 679650, 734022, 744660, 792925, 797850, 815580, 856359, 930825, 951510, 1019475, 1116990, 1141812, 1223370, 1241100, 1304100, 1359300, 1427265, 1468044, 1585850, 1595700, 1712718, 1835055, 1861650, 1903020, 2038950, 2233980, 2378775, 2446740, 2569077, 2792475, 2854530, 3058425, 3171700, 3425436, 3670110, 3723300, 4077900, 4281795, 4757550, 5138154, 5584950, 5709060, 6116850, 7136325, 7340220, 8563590, 9175275, 9515100, 10276308, 11169900, 12233700, 12845385, 14272650, 17127180, 18350550, 21408975, 25690770, 28545300, 36701100, 42817950, 51381540, 64226925, 85635900, 128453850, 256907700]

約数ペア:

[(1, 256907700), (2, 128453850), (3, 85635900), (4, 64226925), (5, 51381540), (6, 42817950), (7, 36701100), (9, 28545300), (10, 25690770), (12, 21408975), (14, 18350550), (15, 17127180), (18, 14272650), (20, 12845385), (21, 12233700), (23, 11169900), (25, 10276308), (27, 9515100), (28, 9175275), (30, 8563590), (35, 7340220), (36, 7136325), (42, 6116850), (45, 5709060), (46, 5584950), (50, 5138154), (54, 4757550), (60, 4281795), (63, 4077900), (69, 3723300), (70, 3670110), (75, 3425436), (81, 3171700), (84, 3058425), (90, 2854530), (92, 2792475), (100, 2569077), (105, 2446740), (108, 2378775), (115, 2233980), (126, 2038950), (135, 1903020), (138, 1861650), (140, 1835055), (150, 1712718), (161, 1595700), (162, 1585850), (175, 1468044), (180, 1427265), (189, 1359300), (197, 1304100), (207, 1241100), (210, 1223370), (225, 1141812), (230, 1116990), (252, 1019475), (270, 951510), (276, 930825), (300, 856359), (315, 815580), (322, 797850), (324, 792925), (345, 744660), (350, 734022), (378, 679650), (394, 652050), (405, 634340), (414, 620550), (420, 611685), (450, 570906), (460, 558495), (483, 531900), (525, 489348), (540, 475755), (567, 453100), (575, 446796), (591, 434700), (621, 413700), (630, 407790), (644, 398925), (675, 380604), (690, 372330), (700, 367011), (756, 339825), (788, 326025), (805, 319140), (810, 317170), (828, 310275), (900, 285453), (945, 271860), (966, 265950), (985, 260820), (1035, 248220), (1050, 244674), (1134, 226550), (1150, 223398), (1182, 217350), (1242, 206850), (1260, 203895), (1350, 190302), (1379, 186300), (1380, 186165), (1449, 177300), (1575, 163116), (1610, 159570), (1620, 158585), (1725, 148932), (1773, 144900), (1863, 137900), (1890, 135930), (1932, 132975), (1970, 130410), (2025, 126868), (2070, 124110), (2100, 122337), (2268, 113275), (2300, 111699), (2364, 108675), (2415, 106380), (2484, 103425), (2700, 95151), (2758, 93150), (2835, 90620), (2898, 88650), (2955, 86940), (3105, 82740), (3150, 81558), (3220, 79785), (3450, 74466), (3546, 72450), (3726, 68950), (3780, 67965), (3940, 65205), (4025, 63828), (4050, 63434), (4137, 62100), (4140, 62055), (4347, 59100), (4531, 56700), (4725, 54372), (4830, 53190), (4925, 52164), (5175, 49644), (5319, 48300), (5516, 46575), (5670, 45310), (5796, 44325), (5910, 43470), (6210, 41370), (6300, 40779), (6895, 37260), (6900, 37233), (7092, 36225), (7245, 35460), (7452, 34475), (8050, 31914), (8100, 31717), (8274, 31050), (8694, 29550), (8865, 28980), (9062, 28350), (9315, 27580), (9450, 27186), (9660, 26595), (9850, 26082), (10350, 24822), (10638, 24150), (11340, 22655), (11820, 21735), (12075, 21276), (12411, 20700), (12420, 20685), (13041, 19700), (13593, 18900), (13790, 18630), (14175, 18124), (14490, 17730), (14775, 17388), (15525, 16548), (15957, 16100)]