1330481780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1\times {\mathrm{1559}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 2839898880

約数和(自身を除く): 1509417100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 601, 710, 1202, 1420, 1559, 2404, 3005, 3118, 6010, 6236, 7795, 12020, 15590, 31180, 42671, 85342, 110689, 170684, 213355, 221378, 426710, 442756, 553445, 853420, 936959, 1106890, 1873918, 2213780, 3747836, 4684795, 9369590, 18739180, 66524089, 133048178, 266096356, 332620445, 665240890, 1330481780]

約数ペア:

[(1, 1330481780), (2, 665240890), (4, 332620445), (5, 266096356), (10, 133048178), (20, 66524089), (71, 18739180), (142, 9369590), (284, 4684795), (355, 3747836), (601, 2213780), (710, 1873918), (1202, 1106890), (1420, 936959), (1559, 853420), (2404, 553445), (3005, 442756), (3118, 426710), (6010, 221378), (6236, 213355), (7795, 170684), (12020, 110689), (15590, 85342), (31180, 42671)]