813128220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{501931}}^1$

素因数の和:501952

約数の個数: 60

約数和(自身を含む): 2550818424

約数和(自身を除く): 1737690204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 501931, 1003862, 1505793, 2007724, 2509655, 3011586, 4517379, 5019310, 6023172, 7528965, 9034758, 10038620, 13552137, 15057930, 18069516, 22586895, 27104274, 30115860, 40656411, 45173790, 54208548, 67760685, 81312822, 90347580, 135521370, 162625644, 203282055, 271042740, 406564110, 813128220]

約数ペア:

[(1, 813128220), (2, 406564110), (3, 271042740), (4, 203282055), (5, 162625644), (6, 135521370), (9, 90347580), (10, 81312822), (12, 67760685), (15, 54208548), (18, 45173790), (20, 40656411), (27, 30115860), (30, 27104274), (36, 22586895), (45, 18069516), (54, 15057930), (60, 13552137), (81, 10038620), (90, 9034758), (108, 7528965), (135, 6023172), (162, 5019310), (180, 4517379), (270, 3011586), (324, 2509655), (405, 2007724), (540, 1505793), (810, 1003862), (1620, 501931)]