725059920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{232391}}^1$

素因数の和:232420

約数の個数: 80

約数和(自身を含む): 2420595072

約数和(自身を除く): 1695535152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 232391, 464782, 697173, 929564, 1161955, 1394346, 1859128, 2323910, 2788692, 3021083, 3485865, 3718256, 4647820, 5577384, 6042166, 6971730, 9063249, 9295640, 11154768, 12084332, 13943460, 15105415, 18126498, 18591280, 24168664, 27886920, 30210830, 36252996, 45316245, 48337328, 55773840, 60421660, 72505992, 90632490, 120843320, 145011984, 181264980, 241686640, 362529960, 725059920]

約数ペア:

[(1, 725059920), (2, 362529960), (3, 241686640), (4, 181264980), (5, 145011984), (6, 120843320), (8, 90632490), (10, 72505992), (12, 60421660), (13, 55773840), (15, 48337328), (16, 45316245), (20, 36252996), (24, 30210830), (26, 27886920), (30, 24168664), (39, 18591280), (40, 18126498), (48, 15105415), (52, 13943460), (60, 12084332), (65, 11154768), (78, 9295640), (80, 9063249), (104, 6971730), (120, 6042166), (130, 5577384), (156, 4647820), (195, 3718256), (208, 3485865), (240, 3021083), (260, 2788692), (312, 2323910), (390, 1859128), (520, 1394346), (624, 1161955), (780, 929564), (1040, 697173), (1560, 464782), (3120, 232391)]