74784840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47939}}^1$

素因数の和:47966

約数の個数: 64

約数和(自身を含む): 241617600

約数和(自身を除く): 166832760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 47939, 95878, 143817, 191756, 239695, 287634, 383512, 479390, 575268, 623207, 719085, 958780, 1150536, 1246414, 1438170, 1869621, 1917560, 2492828, 2876340, 3116035, 3739242, 4985656, 5752680, 6232070, 7478484, 9348105, 12464140, 14956968, 18696210, 24928280, 37392420, 74784840]

約数ペア:

[(1, 74784840), (2, 37392420), (3, 24928280), (4, 18696210), (5, 14956968), (6, 12464140), (8, 9348105), (10, 7478484), (12, 6232070), (13, 5752680), (15, 4985656), (20, 3739242), (24, 3116035), (26, 2876340), (30, 2492828), (39, 1917560), (40, 1869621), (52, 1438170), (60, 1246414), (65, 1150536), (78, 958780), (104, 719085), (120, 623207), (130, 575268), (156, 479390), (195, 383512), (260, 287634), (312, 239695), (390, 191756), (520, 143817), (780, 95878), (1560, 47939)]