15113980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 36711360

約数和(自身を除く): 21597380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1213, 1246, 1780, 2426, 2492, 3115, 4852, 6065, 6230, 8491, 12130, 12460, 16982, 24260, 33964, 42455, 84910, 107957, 169820, 215914, 431828, 539785, 755699, 1079570, 1511398, 2159140, 3022796, 3778495, 7556990, 15113980]

約数ペア:

[(1, 15113980), (2, 7556990), (4, 3778495), (5, 3022796), (7, 2159140), (10, 1511398), (14, 1079570), (20, 755699), (28, 539785), (35, 431828), (70, 215914), (89, 169820), (140, 107957), (178, 84910), (356, 42455), (445, 33964), (623, 24260), (890, 16982), (1213, 12460), (1246, 12130), (1780, 8491), (2426, 6230), (2492, 6065), (3115, 4852)]