67756720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 95090000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 151, 158, 284, 302, 316, 355, 395, 568, 604, 632, 710, 755, 790, 1136, 1208, 1264, 1420, 1510, 1580, 2416, 2840, 3020, 3160, 5609, 5680, 6040, 6320, 10721, 11218, 11929, 12080, 21442, 22436, 23858, 28045, 42884, 44872, 47716, 53605, 56090, 59645, 85768, 89744, 95432, 107210, 112180, 119290, 171536, 190864, 214420, 224360, 238580, 428840, 448720, 477160, 846959, 857680, 954320, 1693918, 3387836, 4234795, 6775672, 8469590, 13551344, 16939180, 33878360, 67756720]

約数ペア:

[(1, 67756720), (2, 33878360), (4, 16939180), (5, 13551344), (8, 8469590), (10, 6775672), (16, 4234795), (20, 3387836), (40, 1693918), (71, 954320), (79, 857680), (80, 846959), (142, 477160), (151, 448720), (158, 428840), (284, 238580), (302, 224360), (316, 214420), (355, 190864), (395, 171536), (568, 119290), (604, 112180), (632, 107210), (710, 95432), (755, 89744), (790, 85768), (1136, 59645), (1208, 56090), (1264, 53605), (1420, 47716), (1510, 44872), (1580, 42884), (2416, 28045), (2840, 23858), (3020, 22436), (3160, 21442), (5609, 12080), (5680, 11929), (6040, 11218), (6320, 10721)]