740634640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4091}}^1$

素因数の和:4208

約数の個数: 80

約数和(自身を含む): 1802313216

約数和(自身を除く): 1061678576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 2263, 2480, 2920, 4091, 4526, 5840, 8182, 9052, 11315, 16364, 18104, 20455, 22630, 32728, 36208, 40910, 45260, 65456, 81820, 90520, 126821, 163640, 181040, 253642, 298643, 327280, 507284, 597286, 634105, 1014568, 1194572, 1268210, 1493215, 2029136, 2389144, 2536420, 2986430, 4778288, 5072840, 5972860, 9257933, 10145680, 11945720, 18515866, 23891440, 37031732, 46289665, 74063464, 92579330, 148126928, 185158660, 370317320, 740634640]

約数ペア:

[(1, 740634640), (2, 370317320), (4, 185158660), (5, 148126928), (8, 92579330), (10, 74063464), (16, 46289665), (20, 37031732), (31, 23891440), (40, 18515866), (62, 11945720), (73, 10145680), (80, 9257933), (124, 5972860), (146, 5072840), (155, 4778288), (248, 2986430), (292, 2536420), (310, 2389144), (365, 2029136), (496, 1493215), (584, 1268210), (620, 1194572), (730, 1014568), (1168, 634105), (1240, 597286), (1460, 507284), (2263, 327280), (2480, 298643), (2920, 253642), (4091, 181040), (4526, 163640), (5840, 126821), (8182, 90520), (9052, 81820), (11315, 65456), (16364, 45260), (18104, 40910), (20455, 36208), (22630, 32728)]