641139984

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{56359}}^1$

素因数の和:56452

約数の個数: 60

約数和(自身を含む): 1817046400

約数和(自身を除く): 1175906416

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, 11376, 56359, 112718, 169077, 225436, 338154, 450872, 507231, 676308, 901744, 1014462, 1352616, 2028924, 2705232, 4057848, 4452361, 8115696, 8904722, 13357083, 17809444, 26714166, 35618888, 40071249, 53428332, 71237776, 80142498, 106856664, 160284996, 213713328, 320569992, 641139984]

約数ペア:

[(1, 641139984), (2, 320569992), (3, 213713328), (4, 160284996), (6, 106856664), (8, 80142498), (9, 71237776), (12, 53428332), (16, 40071249), (18, 35618888), (24, 26714166), (36, 17809444), (48, 13357083), (72, 8904722), (79, 8115696), (144, 4452361), (158, 4057848), (237, 2705232), (316, 2028924), (474, 1352616), (632, 1014462), (711, 901744), (948, 676308), (1264, 507231), (1422, 450872), (1896, 338154), (2844, 225436), (3792, 169077), (5688, 112718), (11376, 56359)]