81645552

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7177}}^1$

素因数の和:7270

約数の個数: 60

約数和(自身を含む): 231418720

約数和(自身を除く): 149773168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1896, 2844, 3792, 5688, 7177, 11376, 14354, 21531, 28708, 43062, 57416, 64593, 86124, 114832, 129186, 172248, 258372, 344496, 516744, 566983, 1033488, 1133966, 1700949, 2267932, 3401898, 4535864, 5102847, 6803796, 9071728, 10205694, 13607592, 20411388, 27215184, 40822776, 81645552]

約数ペア:

[(1, 81645552), (2, 40822776), (3, 27215184), (4, 20411388), (6, 13607592), (8, 10205694), (9, 9071728), (12, 6803796), (16, 5102847), (18, 4535864), (24, 3401898), (36, 2267932), (48, 1700949), (72, 1133966), (79, 1033488), (144, 566983), (158, 516744), (237, 344496), (316, 258372), (474, 172248), (632, 129186), (711, 114832), (948, 86124), (1264, 64593), (1422, 57416), (1896, 43062), (2844, 28708), (3792, 21531), (5688, 14354), (7177, 11376)]