72451280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 202487040

約数和(自身を除く): 130035760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 80, 85, 88, 110, 116, 136, 145, 167, 170, 176, 187, 220, 232, 272, 290, 319, 334, 340, 374, 440, 464, 493, 580, 638, 668, 680, 748, 835, 880, 935, 986, 1160, 1276, 1336, 1360, 1496, 1595, 1670, 1837, 1870, 1972, 2320, 2465, 2552, 2672, 2839, 2992, 3190, 3340, 3674, 3740, 3944, 4843, 4930, 5104, 5423, 5678, 6380, 6680, 7348, 7480, 7888, 9185, 9686, 9860, 10846, 11356, 12760, 13360, 14195, 14696, 14960, 18370, 19372, 19720, 21692, 22712, 24215, 25520, 27115, 28390, 29392, 31229, 36740, 38744, 39440, 43384, 45424, 48430, 53273, 54230, 56780, 62458, 73480, 77488, 82331, 86768, 96860, 106546, 108460, 113560, 124916, 146960, 156145, 164662, 193720, 213092, 216920, 227120, 249832, 266365, 312290, 329324, 387440, 411655, 426184, 433840, 499664, 532730, 624580, 658648, 823310, 852368, 905641, 1065460, 1249160, 1317296, 1646620, 1811282, 2130920, 2498320, 3293240, 3622564, 4261840, 4528205, 6586480, 7245128, 9056410, 14490256, 18112820, 36225640, 72451280]

約数ペア:

[(1, 72451280), (2, 36225640), (4, 18112820), (5, 14490256), (8, 9056410), (10, 7245128), (11, 6586480), (16, 4528205), (17, 4261840), (20, 3622564), (22, 3293240), (29, 2498320), (34, 2130920), (40, 1811282), (44, 1646620), (55, 1317296), (58, 1249160), (68, 1065460), (80, 905641), (85, 852368), (88, 823310), (110, 658648), (116, 624580), (136, 532730), (145, 499664), (167, 433840), (170, 426184), (176, 411655), (187, 387440), (220, 329324), (232, 312290), (272, 266365), (290, 249832), (319, 227120), (334, 216920), (340, 213092), (374, 193720), (440, 164662), (464, 156145), (493, 146960), (580, 124916), (638, 113560), (668, 108460), (680, 106546), (748, 96860), (835, 86768), (880, 82331), (935, 77488), (986, 73480), (1160, 62458), (1276, 56780), (1336, 54230), (1360, 53273), (1496, 48430), (1595, 45424), (1670, 43384), (1837, 39440), (1870, 38744), (1972, 36740), (2320, 31229), (2465, 29392), (2552, 28390), (2672, 27115), (2839, 25520), (2992, 24215), (3190, 22712), (3340, 21692), (3674, 19720), (3740, 19372), (3944, 18370), (4843, 14960), (4930, 14696), (5104, 14195), (5423, 13360), (5678, 12760), (6380, 11356), (6680, 10846), (7348, 9860), (7480, 9686), (7888, 9185)]