263287440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1278

約数の個数: 240

約数和(自身を含む): 994436352

約数和(自身を除く): 731148912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1223, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2392, 2446, 2691, 2760, 2990, 3120, 3312, 3588, 3669, 4140, 4485, 4680, 4784, 4892, 5382, 5520, 5980, 6115, 7176, 7338, 8280, 8970, 9360, 9784, 10764, 11007, 11960, 12230, 13455, 14352, 14676, 15899, 16560, 17940, 18345, 19568, 21528, 22014, 23920, 24460, 26910, 28129, 29352, 31798, 35880, 36690, 43056, 44028, 47697, 48920, 53820, 55035, 56258, 58704, 63596, 71760, 73380, 79495, 84387, 88056, 95394, 97840, 107640, 110070, 112516, 127192, 140645, 143091, 146760, 158990, 168774, 176112, 190788, 215280, 220140, 225032, 238485, 253161, 254384, 281290, 286182, 293520, 317980, 337548, 365677, 381576, 421935, 440280, 450064, 476970, 506322, 562580, 572364, 635960, 675096, 715455, 731354, 763152, 843870, 880560, 953940, 1012644, 1097031, 1125160, 1144728, 1265805, 1271920, 1350192, 1430910, 1462708, 1687740, 1828385, 1907880, 2025288, 2194062, 2250320, 2289456, 2531610, 2861820, 2925416, 3291093, 3375480, 3656770, 3815760, 4050576, 4388124, 5063220, 5485155, 5723640, 5850832, 6582186, 6750960, 7313540, 8776248, 10126440, 10970310, 11447280, 13164372, 14627080, 16455465, 17552496, 20252880, 21940620, 26328744, 29254160, 32910930, 43881240, 52657488, 65821860, 87762480, 131643720, 263287440]

約数ペア:

[(1, 263287440), (2, 131643720), (3, 87762480), (4, 65821860), (5, 52657488), (6, 43881240), (8, 32910930), (9, 29254160), (10, 26328744), (12, 21940620), (13, 20252880), (15, 17552496), (16, 16455465), (18, 14627080), (20, 13164372), (23, 11447280), (24, 10970310), (26, 10126440), (30, 8776248), (36, 7313540), (39, 6750960), (40, 6582186), (45, 5850832), (46, 5723640), (48, 5485155), (52, 5063220), (60, 4388124), (65, 4050576), (69, 3815760), (72, 3656770), (78, 3375480), (80, 3291093), (90, 2925416), (92, 2861820), (104, 2531610), (115, 2289456), (117, 2250320), (120, 2194062), (130, 2025288), (138, 1907880), (144, 1828385), (156, 1687740), (180, 1462708), (184, 1430910), (195, 1350192), (207, 1271920), (208, 1265805), (230, 1144728), (234, 1125160), (240, 1097031), (260, 1012644), (276, 953940), (299, 880560), (312, 843870), (345, 763152), (360, 731354), (368, 715455), (390, 675096), (414, 635960), (460, 572364), (468, 562580), (520, 506322), (552, 476970), (585, 450064), (598, 440280), (624, 421935), (690, 381576), (720, 365677), (780, 337548), (828, 317980), (897, 293520), (920, 286182), (936, 281290), (1035, 254384), (1040, 253161), (1104, 238485), (1170, 225032), (1196, 220140), (1223, 215280), (1380, 190788), (1495, 176112), (1560, 168774), (1656, 158990), (1794, 146760), (1840, 143091), (1872, 140645), (2070, 127192), (2340, 112516), (2392, 110070), (2446, 107640), (2691, 97840), (2760, 95394), (2990, 88056), (3120, 84387), (3312, 79495), (3588, 73380), (3669, 71760), (4140, 63596), (4485, 58704), (4680, 56258), (4784, 55035), (4892, 53820), (5382, 48920), (5520, 47697), (5980, 44028), (6115, 43056), (7176, 36690), (7338, 35880), (8280, 31798), (8970, 29352), (9360, 28129), (9784, 26910), (10764, 24460), (11007, 23920), (11960, 22014), (12230, 21528), (13455, 19568), (14352, 18345), (14676, 17940), (15899, 16560)]