1286416920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{345811}}^1$

素因数の和:345856

約数の個数: 64

約数和(自身を含む): 3983754240

約数和(自身を除く): 2697337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 345811, 691622, 1037433, 1383244, 1729055, 2074866, 2766488, 3458110, 4149732, 5187165, 6916220, 8299464, 10374330, 10720141, 13832440, 20748660, 21440282, 32160423, 41497320, 42880564, 53600705, 64320846, 85761128, 107201410, 128641692, 160802115, 214402820, 257283384, 321604230, 428805640, 643208460, 1286416920]

約数ペア:

[(1, 1286416920), (2, 643208460), (3, 428805640), (4, 321604230), (5, 257283384), (6, 214402820), (8, 160802115), (10, 128641692), (12, 107201410), (15, 85761128), (20, 64320846), (24, 53600705), (30, 42880564), (31, 41497320), (40, 32160423), (60, 21440282), (62, 20748660), (93, 13832440), (120, 10720141), (124, 10374330), (155, 8299464), (186, 6916220), (248, 5187165), (310, 4149732), (372, 3458110), (465, 2766488), (620, 2074866), (744, 1729055), (930, 1383244), (1240, 1037433), (1860, 691622), (3720, 345811)]