205375320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570487}}^1$

素因数の和:570504

約数の個数: 48

約数和(自身を含む): 667470960

約数和(自身を除く): 462095640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570487, 1140974, 1711461, 2281948, 2852435, 3422922, 4563896, 5134383, 5704870, 6845844, 8557305, 10268766, 11409740, 13691688, 17114610, 20537532, 22819480, 25671915, 34229220, 41075064, 51343830, 68458440, 102687660, 205375320]

約数ペア:

[(1, 205375320), (2, 102687660), (3, 68458440), (4, 51343830), (5, 41075064), (6, 34229220), (8, 25671915), (9, 22819480), (10, 20537532), (12, 17114610), (15, 13691688), (18, 11409740), (20, 10268766), (24, 8557305), (30, 6845844), (36, 5704870), (40, 5134383), (45, 4563896), (60, 3422922), (72, 2852435), (90, 2281948), (120, 1711461), (180, 1140974), (360, 570487)]