80396880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{334987}}^1$

素因数の和:335003

約数の個数: 40

約数和(自身を含む): 249231072

約数和(自身を除く): 168834192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 334987, 669974, 1004961, 1339948, 1674935, 2009922, 2679896, 3349870, 4019844, 5024805, 5359792, 6699740, 8039688, 10049610, 13399480, 16079376, 20099220, 26798960, 40198440, 80396880]

約数ペア:

[(1, 80396880), (2, 40198440), (3, 26798960), (4, 20099220), (5, 16079376), (6, 13399480), (8, 10049610), (10, 8039688), (12, 6699740), (15, 5359792), (16, 5024805), (20, 4019844), (24, 3349870), (30, 2679896), (40, 2009922), (48, 1674935), (60, 1339948), (80, 1004961), (120, 669974), (240, 334987)]