289547440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1347

約数の個数: 160

約数和(自身を含む): 855945216

約数和(自身を除く): 566397776

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1283, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2566, 2821, 3224, 3472, 3640, 4030, 4340, 5132, 5642, 6415, 6448, 7280, 8060, 8680, 8981, 10264, 11284, 12830, 14105, 16120, 16679, 17360, 17962, 20528, 22568, 25660, 28210, 32240, 33358, 35924, 39773, 44905, 45136, 51320, 56420, 66716, 71848, 79546, 83395, 89810, 102640, 112840, 116753, 133432, 143696, 159092, 166790, 179620, 198865, 225680, 233506, 266864, 278411, 318184, 333580, 359240, 397730, 467012, 517049, 556822, 583765, 636368, 667160, 718480, 795460, 934024, 1034098, 1113644, 1167530, 1334320, 1392055, 1590920, 1868048, 2068196, 2227288, 2335060, 2585245, 2784110, 3181840, 3619343, 4136392, 4454576, 4670120, 5170490, 5568220, 7238686, 8272784, 9340240, 10340980, 11136440, 14477372, 18096715, 20681960, 22272880, 28954744, 36193430, 41363920, 57909488, 72386860, 144773720, 289547440]

約数ペア:

[(1, 289547440), (2, 144773720), (4, 72386860), (5, 57909488), (7, 41363920), (8, 36193430), (10, 28954744), (13, 22272880), (14, 20681960), (16, 18096715), (20, 14477372), (26, 11136440), (28, 10340980), (31, 9340240), (35, 8272784), (40, 7238686), (52, 5568220), (56, 5170490), (62, 4670120), (65, 4454576), (70, 4136392), (80, 3619343), (91, 3181840), (104, 2784110), (112, 2585245), (124, 2335060), (130, 2227288), (140, 2068196), (155, 1868048), (182, 1590920), (208, 1392055), (217, 1334320), (248, 1167530), (260, 1113644), (280, 1034098), (310, 934024), (364, 795460), (403, 718480), (434, 667160), (455, 636368), (496, 583765), (520, 556822), (560, 517049), (620, 467012), (728, 397730), (806, 359240), (868, 333580), (910, 318184), (1040, 278411), (1085, 266864), (1240, 233506), (1283, 225680), (1456, 198865), (1612, 179620), (1736, 166790), (1820, 159092), (2015, 143696), (2170, 133432), (2480, 116753), (2566, 112840), (2821, 102640), (3224, 89810), (3472, 83395), (3640, 79546), (4030, 71848), (4340, 66716), (5132, 56420), (5642, 51320), (6415, 45136), (6448, 44905), (7280, 39773), (8060, 35924), (8680, 33358), (8981, 32240), (10264, 28210), (11284, 25660), (12830, 22568), (14105, 20528), (16120, 17962), (16679, 17360)]