67440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3557}}^1$

素因数の和:3652

約数の個数: 80

約数和(自身を含む): 211772160

約数和(自身を除く): 144331440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3557, 3792, 4740, 6320, 7114, 9480, 10671, 14228, 17785, 18960, 21342, 28456, 35570, 42684, 53355, 56912, 71140, 85368, 106710, 142280, 170736, 213420, 281003, 284560, 426840, 562006, 843009, 853680, 1124012, 1405015, 1686018, 2248024, 2810030, 3372036, 4215045, 4496048, 5620060, 6744072, 8430090, 11240120, 13488144, 16860180, 22480240, 33720360, 67440720]

約数ペア:

[(1, 67440720), (2, 33720360), (3, 22480240), (4, 16860180), (5, 13488144), (6, 11240120), (8, 8430090), (10, 6744072), (12, 5620060), (15, 4496048), (16, 4215045), (20, 3372036), (24, 2810030), (30, 2248024), (40, 1686018), (48, 1405015), (60, 1124012), (79, 853680), (80, 843009), (120, 562006), (158, 426840), (237, 284560), (240, 281003), (316, 213420), (395, 170736), (474, 142280), (632, 106710), (790, 85368), (948, 71140), (1185, 56912), (1264, 53355), (1580, 42684), (1896, 35570), (2370, 28456), (3160, 21342), (3557, 18960), (3792, 17785), (4740, 14228), (6320, 10671), (7114, 9480)]