74820720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23981}}^1$

素因数の和:24010

約数の個数: 80

約数和(自身を含む): 249796512

約数和(自身を除く): 174975792

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, 23981, 47962, 71943, 95924, 119905, 143886, 191848, 239810, 287772, 311753, 359715, 383696, 479620, 575544, 623506, 719430, 935259, 959240, 1151088, 1247012, 1438860, 1558765, 1870518, 1918480, 2494024, 2877720, 3117530, 3741036, 4676295, 4988048, 5755440, 6235060, 7482072, 9352590, 12470120, 14964144, 18705180, 24940240, 37410360, 74820720]

約数ペア:

[(1, 74820720), (2, 37410360), (3, 24940240), (4, 18705180), (5, 14964144), (6, 12470120), (8, 9352590), (10, 7482072), (12, 6235060), (13, 5755440), (15, 4988048), (16, 4676295), (20, 3741036), (24, 3117530), (26, 2877720), (30, 2494024), (39, 1918480), (40, 1870518), (48, 1558765), (52, 1438860), (60, 1247012), (65, 1151088), (78, 959240), (80, 935259), (104, 719430), (120, 623506), (130, 575544), (156, 479620), (195, 383696), (208, 359715), (240, 311753), (260, 287772), (312, 239810), (390, 191848), (520, 143886), (624, 119905), (780, 95924), (1040, 71943), (1560, 47962), (3120, 23981)]