312686520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19891}}^1$

素因数の和:20036

約数の個数: 64

約数和(自身を含む): 945267840

約数和(自身を除く): 632581320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 19891, 39782, 59673, 79564, 99455, 119346, 159128, 198910, 238692, 298365, 397820, 477384, 596730, 795640, 1193460, 2386920, 2605721, 5211442, 7817163, 10422884, 13028605, 15634326, 20845768, 26057210, 31268652, 39085815, 52114420, 62537304, 78171630, 104228840, 156343260, 312686520]

約数ペア:

[(1, 312686520), (2, 156343260), (3, 104228840), (4, 78171630), (5, 62537304), (6, 52114420), (8, 39085815), (10, 31268652), (12, 26057210), (15, 20845768), (20, 15634326), (24, 13028605), (30, 10422884), (40, 7817163), (60, 5211442), (120, 2605721), (131, 2386920), (262, 1193460), (393, 795640), (524, 596730), (655, 477384), (786, 397820), (1048, 298365), (1310, 238692), (1572, 198910), (1965, 159128), (2620, 119346), (3144, 99455), (3930, 79564), (5240, 59673), (7860, 39782), (15720, 19891)]