67680760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4933}}^1$

素因数の和:4965

約数の個数: 64

約数和(自身を含む): 177624000

約数和(自身を除く): 109943240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4933, 6860, 9866, 13720, 19732, 24665, 34531, 39464, 49330, 69062, 98660, 138124, 172655, 197320, 241717, 276248, 345310, 483434, 690620, 966868, 1208585, 1381240, 1692019, 1933736, 2417170, 3384038, 4834340, 6768076, 8460095, 9668680, 13536152, 16920190, 33840380, 67680760]

約数ペア:

[(1, 67680760), (2, 33840380), (4, 16920190), (5, 13536152), (7, 9668680), (8, 8460095), (10, 6768076), (14, 4834340), (20, 3384038), (28, 2417170), (35, 1933736), (40, 1692019), (49, 1381240), (56, 1208585), (70, 966868), (98, 690620), (140, 483434), (196, 345310), (245, 276248), (280, 241717), (343, 197320), (392, 172655), (490, 138124), (686, 98660), (980, 69062), (1372, 49330), (1715, 39464), (1960, 34531), (2744, 24665), (3430, 19732), (4933, 13720), (6860, 9866)]