128275320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1637}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 385650720

約数和(自身を除く): 257375400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 1306, 1637, 1959, 2612, 3265, 3274, 3918, 4911, 5224, 6530, 6548, 7836, 8185, 9795, 9822, 13060, 13096, 15672, 16370, 19590, 19644, 24555, 26120, 32740, 39180, 39288, 49110, 65480, 78360, 98220, 196440, 1068961, 2137922, 3206883, 4275844, 5344805, 6413766, 8551688, 10689610, 12827532, 16034415, 21379220, 25655064, 32068830, 42758440, 64137660, 128275320]

約数ペア:

[(1, 128275320), (2, 64137660), (3, 42758440), (4, 32068830), (5, 25655064), (6, 21379220), (8, 16034415), (10, 12827532), (12, 10689610), (15, 8551688), (20, 6413766), (24, 5344805), (30, 4275844), (40, 3206883), (60, 2137922), (120, 1068961), (653, 196440), (1306, 98220), (1637, 78360), (1959, 65480), (2612, 49110), (3265, 39288), (3274, 39180), (3918, 32740), (4911, 26120), (5224, 24555), (6530, 19644), (6548, 19590), (7836, 16370), (8185, 15672), (9795, 13096), (9822, 13060)]