1680702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{140527}}^1$

素因数の和:140574

約数の個数: 64

約数和(自身を含む): 4249566720

約数和(自身を除く): 2568863800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 140527, 281054, 562108, 702635, 1124216, 1405270, 1826851, 2810540, 3232121, 3653702, 5621080, 6464242, 7307404, 9134255, 12928484, 14614808, 16160605, 18268510, 25856968, 32321210, 36537020, 42017573, 64642420, 73074040, 84035146, 129284840, 168070292, 210087865, 336140584, 420175730, 840351460, 1680702920]

約数ペア:

[(1, 1680702920), (2, 840351460), (4, 420175730), (5, 336140584), (8, 210087865), (10, 168070292), (13, 129284840), (20, 84035146), (23, 73074040), (26, 64642420), (40, 42017573), (46, 36537020), (52, 32321210), (65, 25856968), (92, 18268510), (104, 16160605), (115, 14614808), (130, 12928484), (184, 9134255), (230, 7307404), (260, 6464242), (299, 5621080), (460, 3653702), (520, 3232121), (598, 2810540), (920, 1826851), (1196, 1405270), (1495, 1124216), (2392, 702635), (2990, 562108), (5980, 281054), (11960, 140527)]