81159984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18181}}^1$

素因数の和:18226

約数の個数: 60

約数和(自身を含む): 234475072

約数和(自身を除く): 153315088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 18181, 36362, 54543, 72724, 109086, 145448, 163629, 218172, 290896, 327258, 436344, 563611, 654516, 872688, 1127222, 1309032, 1690833, 2254444, 2618064, 3381666, 4508888, 5072499, 6763332, 9017776, 10144998, 13526664, 20289996, 27053328, 40579992, 81159984]

約数ペア:

[(1, 81159984), (2, 40579992), (3, 27053328), (4, 20289996), (6, 13526664), (8, 10144998), (9, 9017776), (12, 6763332), (16, 5072499), (18, 4508888), (24, 3381666), (31, 2618064), (36, 2254444), (48, 1690833), (62, 1309032), (72, 1127222), (93, 872688), (124, 654516), (144, 563611), (186, 436344), (248, 327258), (279, 290896), (372, 218172), (496, 163629), (558, 145448), (744, 109086), (1116, 72724), (1488, 54543), (2232, 36362), (4464, 18181)]