129380240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{631}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 330086016

約数和(自身を除く): 200705776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 440, 466, 631, 880, 932, 1165, 1262, 1864, 2330, 2524, 2563, 3155, 3728, 4660, 5048, 5126, 6310, 6941, 9320, 10096, 10252, 12620, 12815, 13882, 18640, 20504, 25240, 25630, 27764, 34705, 41008, 50480, 51260, 55528, 69410, 102520, 111056, 138820, 147023, 205040, 277640, 294046, 555280, 588092, 735115, 1176184, 1470230, 1617253, 2352368, 2940460, 3234506, 5880920, 6469012, 8086265, 11761840, 12938024, 16172530, 25876048, 32345060, 64690120, 129380240]

約数ペア:

[(1, 129380240), (2, 64690120), (4, 32345060), (5, 25876048), (8, 16172530), (10, 12938024), (11, 11761840), (16, 8086265), (20, 6469012), (22, 5880920), (40, 3234506), (44, 2940460), (55, 2352368), (80, 1617253), (88, 1470230), (110, 1176184), (176, 735115), (220, 588092), (233, 555280), (440, 294046), (466, 277640), (631, 205040), (880, 147023), (932, 138820), (1165, 111056), (1262, 102520), (1864, 69410), (2330, 55528), (2524, 51260), (2563, 50480), (3155, 41008), (3728, 34705), (4660, 27764), (5048, 25630), (5126, 25240), (6310, 20504), (6941, 18640), (9320, 13882), (10096, 12815), (10252, 12620)]