205320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 648000

約数和(自身を除く): 442680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 145, 174, 177, 232, 236, 290, 295, 348, 354, 435, 472, 580, 590, 696, 708, 870, 885, 1160, 1180, 1416, 1711, 1740, 1770, 2360, 3422, 3480, 3540, 5133, 6844, 7080, 8555, 10266, 13688, 17110, 20532, 25665, 34220, 41064, 51330, 68440, 102660, 205320]

約数ペア:

[(1, 205320), (2, 102660), (3, 68440), (4, 51330), (5, 41064), (6, 34220), (8, 25665), (10, 20532), (12, 17110), (15, 13688), (20, 10266), (24, 8555), (29, 7080), (30, 6844), (40, 5133), (58, 3540), (59, 3480), (60, 3422), (87, 2360), (116, 1770), (118, 1740), (120, 1711), (145, 1416), (174, 1180), (177, 1160), (232, 885), (236, 870), (290, 708), (295, 696), (348, 590), (354, 580), (435, 472)]