66381960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{863}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 199687680

約数和(自身を除く): 133305720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 863, 1282, 1726, 1923, 2564, 2589, 3205, 3452, 3846, 4315, 5128, 5178, 6410, 6904, 7692, 8630, 9615, 10356, 12820, 12945, 15384, 17260, 19230, 20712, 25640, 25890, 34520, 38460, 51780, 76920, 103560, 553183, 1106366, 1659549, 2212732, 2765915, 3319098, 4425464, 5531830, 6638196, 8297745, 11063660, 13276392, 16595490, 22127320, 33190980, 66381960]

約数ペア:

[(1, 66381960), (2, 33190980), (3, 22127320), (4, 16595490), (5, 13276392), (6, 11063660), (8, 8297745), (10, 6638196), (12, 5531830), (15, 4425464), (20, 3319098), (24, 2765915), (30, 2212732), (40, 1659549), (60, 1106366), (120, 553183), (641, 103560), (863, 76920), (1282, 51780), (1726, 38460), (1923, 34520), (2564, 25890), (2589, 25640), (3205, 20712), (3452, 19230), (3846, 17260), (4315, 15384), (5128, 12945), (5178, 12820), (6410, 10356), (6904, 9615), (7692, 8630)]