61967780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15263}}^1$

素因数の和:15308

約数の個数: 48

約数和(自身を含む): 153861120

約数和(自身を除く): 91893340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15263, 30526, 61052, 76315, 106841, 152630, 213682, 305260, 427364, 442627, 534205, 885254, 1068410, 1770508, 2136820, 2213135, 3098389, 4426270, 6196778, 8852540, 12393556, 15491945, 30983890, 61967780]

約数ペア:

[(1, 61967780), (2, 30983890), (4, 15491945), (5, 12393556), (7, 8852540), (10, 6196778), (14, 4426270), (20, 3098389), (28, 2213135), (29, 2136820), (35, 1770508), (58, 1068410), (70, 885254), (116, 534205), (140, 442627), (145, 427364), (203, 305260), (290, 213682), (406, 152630), (580, 106841), (812, 76315), (1015, 61052), (2030, 30526), (4060, 15263)]