78623720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1237}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 203230080

約数和(自身を除く): 124606360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1237, 1589, 1816, 2270, 2474, 3178, 4540, 4948, 6185, 6356, 7945, 8659, 9080, 9896, 12370, 12712, 15890, 17318, 24740, 31780, 34636, 43295, 49480, 63560, 69272, 86590, 173180, 280799, 346360, 561598, 1123196, 1403995, 1965593, 2246392, 2807990, 3931186, 5615980, 7862372, 9827965, 11231960, 15724744, 19655930, 39311860, 78623720]

約数ペア:

[(1, 78623720), (2, 39311860), (4, 19655930), (5, 15724744), (7, 11231960), (8, 9827965), (10, 7862372), (14, 5615980), (20, 3931186), (28, 2807990), (35, 2246392), (40, 1965593), (56, 1403995), (70, 1123196), (140, 561598), (227, 346360), (280, 280799), (454, 173180), (908, 86590), (1135, 69272), (1237, 63560), (1589, 49480), (1816, 43295), (2270, 34636), (2474, 31780), (3178, 24740), (4540, 17318), (4948, 15890), (6185, 12712), (6356, 12370), (7945, 9896), (8659, 9080)]