74490520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4676

約数の個数: 64

約数和(自身を含む): 186359040

約数和(自身を除く): 111868520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4621, 8060, 9242, 16120, 18484, 23105, 36968, 46210, 60073, 92420, 120146, 143251, 184840, 240292, 286502, 300365, 480584, 573004, 600730, 716255, 1146008, 1201460, 1432510, 1862263, 2402920, 2865020, 3724526, 5730040, 7449052, 9311315, 14898104, 18622630, 37245260, 74490520]

約数ペア:

[(1, 74490520), (2, 37245260), (4, 18622630), (5, 14898104), (8, 9311315), (10, 7449052), (13, 5730040), (20, 3724526), (26, 2865020), (31, 2402920), (40, 1862263), (52, 1432510), (62, 1201460), (65, 1146008), (104, 716255), (124, 600730), (130, 573004), (155, 480584), (248, 300365), (260, 286502), (310, 240292), (403, 184840), (520, 143251), (620, 120146), (806, 92420), (1240, 60073), (1612, 46210), (2015, 36968), (3224, 23105), (4030, 18484), (4621, 16120), (8060, 9242)]