77333720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 181548000

約数和(自身を除く): 104214280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 163, 232, 290, 326, 409, 580, 652, 815, 818, 1160, 1304, 1630, 1636, 2045, 3260, 3272, 4090, 4727, 6520, 8180, 9454, 11861, 16360, 18908, 23635, 23722, 37816, 47270, 47444, 59305, 66667, 94540, 94888, 118610, 133334, 189080, 237220, 266668, 333335, 474440, 533336, 666670, 1333340, 1933343, 2666680, 3866686, 7733372, 9666715, 15466744, 19333430, 38666860, 77333720]

約数ペア:

[(1, 77333720), (2, 38666860), (4, 19333430), (5, 15466744), (8, 9666715), (10, 7733372), (20, 3866686), (29, 2666680), (40, 1933343), (58, 1333340), (116, 666670), (145, 533336), (163, 474440), (232, 333335), (290, 266668), (326, 237220), (409, 189080), (580, 133334), (652, 118610), (815, 94888), (818, 94540), (1160, 66667), (1304, 59305), (1630, 47444), (1636, 47270), (2045, 37816), (3260, 23722), (3272, 23635), (4090, 18908), (4727, 16360), (6520, 11861), (8180, 9454)]