178783020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76403}}^1$

素因数の和:76431

約数の個数: 72

約数和(自身を含む): 584032176

約数和(自身を除く): 405249156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 76403, 152806, 229209, 305612, 382015, 458418, 687627, 764030, 916836, 993239, 1146045, 1375254, 1528060, 1986478, 2292090, 2750508, 2979717, 3438135, 3972956, 4584180, 4966195, 5959434, 6876270, 8939151, 9932390, 11918868, 13752540, 14898585, 17878302, 19864780, 29797170, 35756604, 44695755, 59594340, 89391510, 178783020]

約数ペア:

[(1, 178783020), (2, 89391510), (3, 59594340), (4, 44695755), (5, 35756604), (6, 29797170), (9, 19864780), (10, 17878302), (12, 14898585), (13, 13752540), (15, 11918868), (18, 9932390), (20, 8939151), (26, 6876270), (30, 5959434), (36, 4966195), (39, 4584180), (45, 3972956), (52, 3438135), (60, 2979717), (65, 2750508), (78, 2292090), (90, 1986478), (117, 1528060), (130, 1375254), (156, 1146045), (180, 993239), (195, 916836), (234, 764030), (260, 687627), (390, 458418), (468, 382015), (585, 305612), (780, 229209), (1170, 152806), (2340, 76403)]