128145420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2432

約数の個数: 144

約数和(自身を含む): 436992192

約数和(自身を除く): 308846772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1794, 2070, 2340, 2381, 2691, 2990, 3588, 4140, 4485, 4762, 5382, 5980, 7143, 8970, 9524, 10764, 11905, 13455, 14286, 17940, 21429, 23810, 26910, 28572, 30953, 35715, 42858, 47620, 53820, 54763, 61906, 71430, 85716, 92859, 107145, 109526, 123812, 142860, 154765, 164289, 185718, 214290, 219052, 273815, 278577, 309530, 328578, 371436, 428580, 464295, 492867, 547630, 557154, 619060, 657156, 711919, 821445, 928590, 985734, 1095260, 1114308, 1392885, 1423838, 1642890, 1857180, 1971468, 2135757, 2464335, 2785770, 2847676, 3285780, 3559595, 4271514, 4928670, 5571540, 6407271, 7119190, 8543028, 9857340, 10678785, 12814542, 14238380, 21357570, 25629084, 32036355, 42715140, 64072710, 128145420]

約数ペア:

[(1, 128145420), (2, 64072710), (3, 42715140), (4, 32036355), (5, 25629084), (6, 21357570), (9, 14238380), (10, 12814542), (12, 10678785), (13, 9857340), (15, 8543028), (18, 7119190), (20, 6407271), (23, 5571540), (26, 4928670), (30, 4271514), (36, 3559595), (39, 3285780), (45, 2847676), (46, 2785770), (52, 2464335), (60, 2135757), (65, 1971468), (69, 1857180), (78, 1642890), (90, 1423838), (92, 1392885), (115, 1114308), (117, 1095260), (130, 985734), (138, 928590), (156, 821445), (180, 711919), (195, 657156), (207, 619060), (230, 557154), (234, 547630), (260, 492867), (276, 464295), (299, 428580), (345, 371436), (390, 328578), (414, 309530), (460, 278577), (468, 273815), (585, 219052), (598, 214290), (690, 185718), (780, 164289), (828, 154765), (897, 142860), (1035, 123812), (1170, 109526), (1196, 107145), (1380, 92859), (1495, 85716), (1794, 71430), (2070, 61906), (2340, 54763), (2381, 53820), (2691, 47620), (2990, 42858), (3588, 35715), (4140, 30953), (4485, 28572), (4762, 26910), (5382, 23810), (5980, 21429), (7143, 17940), (8970, 14286), (9524, 13455), (10764, 11905)]