9818120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 14373880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 239, 260, 316, 395, 478, 520, 632, 790, 956, 1027, 1195, 1580, 1912, 2054, 2390, 3107, 3160, 4108, 4780, 5135, 6214, 8216, 9560, 10270, 12428, 15535, 18881, 20540, 24856, 31070, 37762, 41080, 62140, 75524, 94405, 124280, 151048, 188810, 245453, 377620, 490906, 755240, 981812, 1227265, 1963624, 2454530, 4909060, 9818120]

約数ペア:

[(1, 9818120), (2, 4909060), (4, 2454530), (5, 1963624), (8, 1227265), (10, 981812), (13, 755240), (20, 490906), (26, 377620), (40, 245453), (52, 188810), (65, 151048), (79, 124280), (104, 94405), (130, 75524), (158, 62140), (239, 41080), (260, 37762), (316, 31070), (395, 24856), (478, 20540), (520, 18881), (632, 15535), (790, 12428), (956, 10270), (1027, 9560), (1195, 8216), (1580, 6214), (1912, 5135), (2054, 4780), (2390, 4108), (3107, 3160)]