281445840

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 300

約数和(自身を含む): 1062598284

約数和(自身を除く): 781152444

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 169, 180, 195, 208, 216, 234, 240, 257, 260, 270, 312, 324, 338, 351, 360, 390, 405, 432, 468, 507, 514, 520, 540, 585, 624, 648, 676, 702, 720, 771, 780, 810, 845, 936, 1014, 1028, 1040, 1053, 1080, 1170, 1285, 1296, 1352, 1404, 1521, 1542, 1560, 1620, 1690, 1755, 1872, 2028, 2056, 2106, 2160, 2313, 2340, 2535, 2570, 2704, 2808, 3042, 3084, 3120, 3240, 3341, 3380, 3510, 3855, 4056, 4112, 4212, 4563, 4626, 4680, 5070, 5140, 5265, 5616, 6084, 6168, 6480, 6682, 6760, 6939, 7020, 7605, 7710, 8112, 8424, 9126, 9252, 9360, 10023, 10140, 10280, 10530, 11565, 12168, 12336, 13364, 13520, 13689, 13878, 14040, 15210, 15420, 16705, 16848, 18252, 18504, 20046, 20280, 20560, 20817, 21060, 22815, 23130, 24336, 26728, 27378, 27756, 28080, 30069, 30420, 30840, 33410, 34695, 36504, 37008, 40092, 40560, 41634, 42120, 43433, 45630, 46260, 50115, 53456, 54756, 55512, 60138, 60840, 61680, 66820, 68445, 69390, 73008, 80184, 83268, 84240, 86866, 90207, 91260, 92520, 100230, 104085, 109512, 111024, 120276, 121680, 130299, 133640, 136890, 138780, 150345, 160368, 166536, 173732, 180414, 182520, 185040, 200460, 208170, 217165, 219024, 240552, 260598, 267280, 270621, 273780, 277560, 300690, 333072, 347464, 360828, 365040, 390897, 400920, 416340, 434330, 451035, 481104, 521196, 541242, 547560, 555120, 601380, 651495, 694928, 721656, 781794, 801840, 832680, 868660, 902070, 1042392, 1082484, 1095120, 1172691, 1202760, 1302990, 1353105, 1443312, 1563588, 1665360, 1737320, 1804140, 1954485, 2084784, 2164968, 2345382, 2405520, 2605980, 2706210, 3127176, 3474640, 3518073, 3608280, 3908970, 4329936, 4690764, 5211960, 5412420, 5863455, 6254352, 7036146, 7216560, 7817940, 9381528, 10423920, 10824840, 11726910, 14072292, 15635880, 17590365, 18763056, 21649680, 23453820, 28144584, 31271760, 35180730, 46907640, 56289168, 70361460, 93815280, 140722920, 281445840]

約数ペア:

[(1, 281445840), (2, 140722920), (3, 93815280), (4, 70361460), (5, 56289168), (6, 46907640), (8, 35180730), (9, 31271760), (10, 28144584), (12, 23453820), (13, 21649680), (15, 18763056), (16, 17590365), (18, 15635880), (20, 14072292), (24, 11726910), (26, 10824840), (27, 10423920), (30, 9381528), (36, 7817940), (39, 7216560), (40, 7036146), (45, 6254352), (48, 5863455), (52, 5412420), (54, 5211960), (60, 4690764), (65, 4329936), (72, 3908970), (78, 3608280), (80, 3518073), (81, 3474640), (90, 3127176), (104, 2706210), (108, 2605980), (117, 2405520), (120, 2345382), (130, 2164968), (135, 2084784), (144, 1954485), (156, 1804140), (162, 1737320), (169, 1665360), (180, 1563588), (195, 1443312), (208, 1353105), (216, 1302990), (234, 1202760), (240, 1172691), (257, 1095120), (260, 1082484), (270, 1042392), (312, 902070), (324, 868660), (338, 832680), (351, 801840), (360, 781794), (390, 721656), (405, 694928), (432, 651495), (468, 601380), (507, 555120), (514, 547560), (520, 541242), (540, 521196), (585, 481104), (624, 451035), (648, 434330), (676, 416340), (702, 400920), (720, 390897), (771, 365040), (780, 360828), (810, 347464), (845, 333072), (936, 300690), (1014, 277560), (1028, 273780), (1040, 270621), (1053, 267280), (1080, 260598), (1170, 240552), (1285, 219024), (1296, 217165), (1352, 208170), (1404, 200460), (1521, 185040), (1542, 182520), (1560, 180414), (1620, 173732), (1690, 166536), (1755, 160368), (1872, 150345), (2028, 138780), (2056, 136890), (2106, 133640), (2160, 130299), (2313, 121680), (2340, 120276), (2535, 111024), (2570, 109512), (2704, 104085), (2808, 100230), (3042, 92520), (3084, 91260), (3120, 90207), (3240, 86866), (3341, 84240), (3380, 83268), (3510, 80184), (3855, 73008), (4056, 69390), (4112, 68445), (4212, 66820), (4563, 61680), (4626, 60840), (4680, 60138), (5070, 55512), (5140, 54756), (5265, 53456), (5616, 50115), (6084, 46260), (6168, 45630), (6480, 43433), (6682, 42120), (6760, 41634), (6939, 40560), (7020, 40092), (7605, 37008), (7710, 36504), (8112, 34695), (8424, 33410), (9126, 30840), (9252, 30420), (9360, 30069), (10023, 28080), (10140, 27756), (10280, 27378), (10530, 26728), (11565, 24336), (12168, 23130), (12336, 22815), (13364, 21060), (13520, 20817), (13689, 20560), (13878, 20280), (14040, 20046), (15210, 18504), (15420, 18252), (16705, 16848)]