99780720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31981}}^1$

素因数の和:32010

約数の個数: 80

約数和(自身を含む): 333124512

約数和(自身を除く): 233343792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 31981, 63962, 95943, 127924, 159905, 191886, 255848, 319810, 383772, 415753, 479715, 511696, 639620, 767544, 831506, 959430, 1247259, 1279240, 1535088, 1663012, 1918860, 2078765, 2494518, 2558480, 3326024, 3837720, 4157530, 4989036, 6236295, 6652048, 7675440, 8315060, 9978072, 12472590, 16630120, 19956144, 24945180, 33260240, 49890360, 99780720]

約数ペア:

[(1, 99780720), (2, 49890360), (3, 33260240), (4, 24945180), (5, 19956144), (6, 16630120), (8, 12472590), (10, 9978072), (12, 8315060), (13, 7675440), (15, 6652048), (16, 6236295), (20, 4989036), (24, 4157530), (26, 3837720), (30, 3326024), (39, 2558480), (40, 2494518), (48, 2078765), (52, 1918860), (60, 1663012), (65, 1535088), (78, 1279240), (80, 1247259), (104, 959430), (120, 831506), (130, 767544), (156, 639620), (195, 511696), (208, 479715), (240, 415753), (260, 383772), (312, 319810), (390, 255848), (520, 191886), (624, 159905), (780, 127924), (1040, 95943), (1560, 63962), (3120, 31981)]