187507840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 499000320

約数和(自身を除く): 311492480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 727, 806, 832, 992, 1040, 1240, 1454, 1612, 1664, 1984, 2015, 2080, 2480, 2908, 3224, 3635, 3968, 4030, 4160, 4960, 5816, 6448, 7270, 8060, 8320, 9451, 9920, 11632, 12896, 14540, 16120, 18902, 19840, 22537, 23264, 25792, 29080, 32240, 37804, 45074, 46528, 47255, 51584, 58160, 64480, 75608, 90148, 93056, 94510, 112685, 116320, 128960, 151216, 180296, 189020, 225370, 232640, 257920, 292981, 302432, 360592, 378040, 450740, 465280, 585962, 604864, 721184, 756080, 901480, 1171924, 1209728, 1442368, 1464905, 1512160, 1802960, 2343848, 2884736, 2929810, 3024320, 3605920, 4687696, 5859620, 6048640, 7211840, 9375392, 11719240, 14423680, 18750784, 23438480, 37501568, 46876960, 93753920, 187507840]

約数ペア:

[(1, 187507840), (2, 93753920), (4, 46876960), (5, 37501568), (8, 23438480), (10, 18750784), (13, 14423680), (16, 11719240), (20, 9375392), (26, 7211840), (31, 6048640), (32, 5859620), (40, 4687696), (52, 3605920), (62, 3024320), (64, 2929810), (65, 2884736), (80, 2343848), (104, 1802960), (124, 1512160), (128, 1464905), (130, 1442368), (155, 1209728), (160, 1171924), (208, 901480), (248, 756080), (260, 721184), (310, 604864), (320, 585962), (403, 465280), (416, 450740), (496, 378040), (520, 360592), (620, 302432), (640, 292981), (727, 257920), (806, 232640), (832, 225370), (992, 189020), (1040, 180296), (1240, 151216), (1454, 128960), (1612, 116320), (1664, 112685), (1984, 94510), (2015, 93056), (2080, 90148), (2480, 75608), (2908, 64480), (3224, 58160), (3635, 51584), (3968, 47255), (4030, 46528), (4160, 45074), (4960, 37804), (5816, 32240), (6448, 29080), (7270, 25792), (8060, 23264), (8320, 22537), (9451, 19840), (9920, 18902), (11632, 16120), (12896, 14540)]