72764640

素因数分解:

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

素因数の和:83

約数の個数: 288

約数和(自身を含む): 280687680

約数和(自身を除く): 207923040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 156, 160, 169, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 338, 345, 360, 368, 390, 414, 416, 460, 468, 480, 507, 520, 552, 585, 598, 624, 676, 690, 720, 736, 780, 828, 845, 897, 920, 936, 1014, 1035, 1040, 1104, 1170, 1196, 1248, 1352, 1380, 1440, 1495, 1521, 1560, 1656, 1690, 1794, 1840, 1872, 2028, 2070, 2080, 2197, 2208, 2340, 2392, 2535, 2691, 2704, 2760, 2990, 3042, 3120, 3312, 3380, 3588, 3680, 3744, 3887, 4056, 4140, 4394, 4485, 4680, 4784, 5070, 5382, 5408, 5520, 5980, 6084, 6240, 6591, 6624, 6760, 7176, 7605, 7774, 8112, 8280, 8788, 8970, 9360, 9568, 10140, 10764, 10985, 11040, 11661, 11960, 12168, 13182, 13455, 13520, 14352, 15210, 15548, 16224, 16560, 17576, 17940, 18720, 19435, 19773, 20280, 21528, 21970, 23322, 23920, 24336, 26364, 26910, 27040, 28704, 30420, 31096, 32955, 33120, 34983, 35152, 35880, 38870, 39546, 40560, 43056, 43940, 46644, 47840, 48672, 50531, 52728, 53820, 58305, 60840, 62192, 65910, 69966, 70304, 71760, 77740, 79092, 81120, 86112, 87880, 93288, 98865, 101062, 105456, 107640, 116610, 121680, 124384, 131820, 139932, 143520, 151593, 155480, 158184, 174915, 175760, 186576, 197730, 202124, 210912, 215280, 233220, 243360, 252655, 263640, 279864, 303186, 310960, 316368, 349830, 351520, 373152, 395460, 404248, 430560, 454779, 466440, 505310, 527280, 559728, 606372, 621920, 632736, 699660, 757965, 790920, 808496, 909558, 932880, 1010620, 1054560, 1119456, 1212744, 1399320, 1515930, 1581840, 1616992, 1819116, 1865760, 2021240, 2273895, 2425488, 2798640, 3031860, 3163680, 3638232, 4042480, 4547790, 4850976, 5597280, 6063720, 7276464, 8084960, 9095580, 12127440, 14552928, 18191160, 24254880, 36382320, 72764640]

約数ペア:

[(1, 72764640), (2, 36382320), (3, 24254880), (4, 18191160), (5, 14552928), (6, 12127440), (8, 9095580), (9, 8084960), (10, 7276464), (12, 6063720), (13, 5597280), (15, 4850976), (16, 4547790), (18, 4042480), (20, 3638232), (23, 3163680), (24, 3031860), (26, 2798640), (30, 2425488), (32, 2273895), (36, 2021240), (39, 1865760), (40, 1819116), (45, 1616992), (46, 1581840), (48, 1515930), (52, 1399320), (60, 1212744), (65, 1119456), (69, 1054560), (72, 1010620), (78, 932880), (80, 909558), (90, 808496), (92, 790920), (96, 757965), (104, 699660), (115, 632736), (117, 621920), (120, 606372), (130, 559728), (138, 527280), (144, 505310), (156, 466440), (160, 454779), (169, 430560), (180, 404248), (184, 395460), (195, 373152), (207, 351520), (208, 349830), (230, 316368), (234, 310960), (240, 303186), (260, 279864), (276, 263640), (288, 252655), (299, 243360), (312, 233220), (338, 215280), (345, 210912), (360, 202124), (368, 197730), (390, 186576), (414, 175760), (416, 174915), (460, 158184), (468, 155480), (480, 151593), (507, 143520), (520, 139932), (552, 131820), (585, 124384), (598, 121680), (624, 116610), (676, 107640), (690, 105456), (720, 101062), (736, 98865), (780, 93288), (828, 87880), (845, 86112), (897, 81120), (920, 79092), (936, 77740), (1014, 71760), (1035, 70304), (1040, 69966), (1104, 65910), (1170, 62192), (1196, 60840), (1248, 58305), (1352, 53820), (1380, 52728), (1440, 50531), (1495, 48672), (1521, 47840), (1560, 46644), (1656, 43940), (1690, 43056), (1794, 40560), (1840, 39546), (1872, 38870), (2028, 35880), (2070, 35152), (2080, 34983), (2197, 33120), (2208, 32955), (2340, 31096), (2392, 30420), (2535, 28704), (2691, 27040), (2704, 26910), (2760, 26364), (2990, 24336), (3042, 23920), (3120, 23322), (3312, 21970), (3380, 21528), (3588, 20280), (3680, 19773), (3744, 19435), (3887, 18720), (4056, 17940), (4140, 17576), (4394, 16560), (4485, 16224), (4680, 15548), (4784, 15210), (5070, 14352), (5382, 13520), (5408, 13455), (5520, 13182), (5980, 12168), (6084, 11960), (6240, 11661), (6591, 11040), (6624, 10985), (6760, 10764), (7176, 10140), (7605, 9568), (7774, 9360), (8112, 8970), (8280, 8788)]