640073040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{9491}}^1$

素因数の和:9788

約数の個数: 80

約数和(自身を含む): 1991497536

約数和(自身を除く): 1351424496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 9491, 11240, 13488, 16860, 18982, 22480, 28473, 33720, 37964, 47455, 56946, 67440, 75928, 94910, 113892, 142365, 151856, 189820, 227784, 284730, 379640, 455568, 569460, 759280, 1138920, 2277840, 2666971, 5333942, 8000913, 10667884, 13334855, 16001826, 21335768, 26669710, 32003652, 40004565, 42671536, 53339420, 64007304, 80009130, 106678840, 128014608, 160018260, 213357680, 320036520, 640073040]

約数ペア:

[(1, 640073040), (2, 320036520), (3, 213357680), (4, 160018260), (5, 128014608), (6, 106678840), (8, 80009130), (10, 64007304), (12, 53339420), (15, 42671536), (16, 40004565), (20, 32003652), (24, 26669710), (30, 21335768), (40, 16001826), (48, 13334855), (60, 10667884), (80, 8000913), (120, 5333942), (240, 2666971), (281, 2277840), (562, 1138920), (843, 759280), (1124, 569460), (1405, 455568), (1686, 379640), (2248, 284730), (2810, 227784), (3372, 189820), (4215, 151856), (4496, 142365), (5620, 113892), (6744, 94910), (8430, 75928), (9491, 67440), (11240, 56946), (13488, 47455), (16860, 37964), (18982, 33720), (22480, 28473)]