91021120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 112

約数和(自身を含む): 230428800

約数和(自身を除く): 139407680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 83, 92, 115, 149, 160, 166, 184, 230, 298, 320, 332, 368, 415, 460, 596, 664, 736, 745, 830, 920, 1192, 1328, 1472, 1490, 1660, 1840, 1909, 2384, 2656, 2980, 3320, 3427, 3680, 3818, 4768, 5312, 5960, 6640, 6854, 7360, 7636, 9536, 9545, 11920, 12367, 13280, 13708, 15272, 17135, 19090, 23840, 24734, 26560, 27416, 30544, 34270, 38180, 47680, 49468, 54832, 61088, 61835, 68540, 76360, 98936, 109664, 122176, 123670, 137080, 152720, 197872, 219328, 247340, 274160, 284441, 305440, 395744, 494680, 548320, 568882, 610880, 791488, 989360, 1096640, 1137764, 1422205, 1978720, 2275528, 2844410, 3957440, 4551056, 5688820, 9102112, 11377640, 18204224, 22755280, 45510560, 91021120]

約数ペア:

[(1, 91021120), (2, 45510560), (4, 22755280), (5, 18204224), (8, 11377640), (10, 9102112), (16, 5688820), (20, 4551056), (23, 3957440), (32, 2844410), (40, 2275528), (46, 1978720), (64, 1422205), (80, 1137764), (83, 1096640), (92, 989360), (115, 791488), (149, 610880), (160, 568882), (166, 548320), (184, 494680), (230, 395744), (298, 305440), (320, 284441), (332, 274160), (368, 247340), (415, 219328), (460, 197872), (596, 152720), (664, 137080), (736, 123670), (745, 122176), (830, 109664), (920, 98936), (1192, 76360), (1328, 68540), (1472, 61835), (1490, 61088), (1660, 54832), (1840, 49468), (1909, 47680), (2384, 38180), (2656, 34270), (2980, 30544), (3320, 27416), (3427, 26560), (3680, 24734), (3818, 23840), (4768, 19090), (5312, 17135), (5960, 15272), (6640, 13708), (6854, 13280), (7360, 12367), (7636, 11920), (9536, 9545)]