201979980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{124679}}^1$

素因数の和:124700

約数の個数: 60

約数和(自身を含む): 633623760

約数和(自身を除く): 431643780

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, 124679, 249358, 374037, 498716, 623395, 748074, 1122111, 1246790, 1496148, 1870185, 2244222, 2493580, 3366333, 3740370, 4488444, 5610555, 6732666, 7480740, 10098999, 11221110, 13465332, 16831665, 20197998, 22442220, 33663330, 40395996, 50494995, 67326660, 100989990, 201979980]

約数ペア:

[(1, 201979980), (2, 100989990), (3, 67326660), (4, 50494995), (5, 40395996), (6, 33663330), (9, 22442220), (10, 20197998), (12, 16831665), (15, 13465332), (18, 11221110), (20, 10098999), (27, 7480740), (30, 6732666), (36, 5610555), (45, 4488444), (54, 3740370), (60, 3366333), (81, 2493580), (90, 2244222), (108, 1870185), (135, 1496148), (162, 1246790), (180, 1122111), (270, 748074), (324, 623395), (405, 498716), (540, 374037), (810, 249358), (1620, 124679)]