71788880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 174155520

約数和(自身を除く): 102366640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 148, 158, 185, 296, 307, 316, 370, 395, 592, 614, 632, 740, 790, 1228, 1264, 1480, 1535, 1580, 2456, 2923, 2960, 3070, 3160, 4912, 5846, 6140, 6320, 11359, 11692, 12280, 14615, 22718, 23384, 24253, 24560, 29230, 45436, 46768, 48506, 56795, 58460, 90872, 97012, 113590, 116920, 121265, 181744, 194024, 227180, 233840, 242530, 388048, 454360, 485060, 897361, 908720, 970120, 1794722, 1940240, 3589444, 4486805, 7178888, 8973610, 14357776, 17947220, 35894440, 71788880]

約数ペア:

[(1, 71788880), (2, 35894440), (4, 17947220), (5, 14357776), (8, 8973610), (10, 7178888), (16, 4486805), (20, 3589444), (37, 1940240), (40, 1794722), (74, 970120), (79, 908720), (80, 897361), (148, 485060), (158, 454360), (185, 388048), (296, 242530), (307, 233840), (316, 227180), (370, 194024), (395, 181744), (592, 121265), (614, 116920), (632, 113590), (740, 97012), (790, 90872), (1228, 58460), (1264, 56795), (1480, 48506), (1535, 46768), (1580, 45436), (2456, 29230), (2923, 24560), (2960, 24253), (3070, 23384), (3160, 22718), (4912, 14615), (5846, 12280), (6140, 11692), (6320, 11359)]