72724240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 176417280

約数和(自身を除く): 103693040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 148, 158, 185, 296, 311, 316, 370, 395, 592, 622, 632, 740, 790, 1244, 1264, 1480, 1555, 1580, 2488, 2923, 2960, 3110, 3160, 4976, 5846, 6220, 6320, 11507, 11692, 12440, 14615, 23014, 23384, 24569, 24880, 29230, 46028, 46768, 49138, 57535, 58460, 92056, 98276, 115070, 116920, 122845, 184112, 196552, 230140, 233840, 245690, 393104, 460280, 491380, 909053, 920560, 982760, 1818106, 1965520, 3636212, 4545265, 7272424, 9090530, 14544848, 18181060, 36362120, 72724240]

約数ペア:

[(1, 72724240), (2, 36362120), (4, 18181060), (5, 14544848), (8, 9090530), (10, 7272424), (16, 4545265), (20, 3636212), (37, 1965520), (40, 1818106), (74, 982760), (79, 920560), (80, 909053), (148, 491380), (158, 460280), (185, 393104), (296, 245690), (311, 233840), (316, 230140), (370, 196552), (395, 184112), (592, 122845), (622, 116920), (632, 115070), (740, 98276), (790, 92056), (1244, 58460), (1264, 57535), (1480, 49138), (1555, 46768), (1580, 46028), (2488, 29230), (2923, 24880), (2960, 24569), (3110, 23384), (3160, 23014), (4976, 14615), (5846, 12440), (6220, 11692), (6320, 11507)]