78653640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 256757760

約数和(自身を除く): 178104120

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, 127, 130, 156, 195, 254, 260, 312, 381, 390, 397, 508, 520, 635, 762, 780, 794, 1016, 1191, 1270, 1524, 1560, 1588, 1651, 1905, 1985, 2382, 2540, 3048, 3176, 3302, 3810, 3970, 4764, 4953, 5080, 5161, 5955, 6604, 7620, 7940, 8255, 9528, 9906, 10322, 11910, 13208, 15240, 15483, 15880, 16510, 19812, 20644, 23820, 24765, 25805, 30966, 33020, 39624, 41288, 47640, 49530, 50419, 51610, 61932, 66040, 77415, 99060, 100838, 103220, 123864, 151257, 154830, 198120, 201676, 206440, 252095, 302514, 309660, 403352, 504190, 605028, 619320, 655447, 756285, 1008380, 1210056, 1310894, 1512570, 1966341, 2016760, 2621788, 3025140, 3277235, 3932682, 5243576, 6050280, 6554470, 7865364, 9831705, 13108940, 15730728, 19663410, 26217880, 39326820, 78653640]

約数ペア:

[(1, 78653640), (2, 39326820), (3, 26217880), (4, 19663410), (5, 15730728), (6, 13108940), (8, 9831705), (10, 7865364), (12, 6554470), (13, 6050280), (15, 5243576), (20, 3932682), (24, 3277235), (26, 3025140), (30, 2621788), (39, 2016760), (40, 1966341), (52, 1512570), (60, 1310894), (65, 1210056), (78, 1008380), (104, 756285), (120, 655447), (127, 619320), (130, 605028), (156, 504190), (195, 403352), (254, 309660), (260, 302514), (312, 252095), (381, 206440), (390, 201676), (397, 198120), (508, 154830), (520, 151257), (635, 123864), (762, 103220), (780, 100838), (794, 99060), (1016, 77415), (1191, 66040), (1270, 61932), (1524, 51610), (1560, 50419), (1588, 49530), (1651, 47640), (1905, 41288), (1985, 39624), (2382, 33020), (2540, 30966), (3048, 25805), (3176, 24765), (3302, 23820), (3810, 20644), (3970, 19812), (4764, 16510), (4953, 15880), (5080, 15483), (5161, 15240), (5955, 13208), (6604, 11910), (7620, 10322), (7940, 9906), (8255, 9528)]