15116980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 18630860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 557, 590, 1114, 1180, 1357, 2228, 2714, 2785, 5428, 5570, 6785, 11140, 12811, 13570, 25622, 27140, 32863, 51244, 64055, 65726, 128110, 131452, 164315, 256220, 328630, 657260, 755849, 1511698, 3023396, 3779245, 7558490, 15116980]

約数ペア:

[(1, 15116980), (2, 7558490), (4, 3779245), (5, 3023396), (10, 1511698), (20, 755849), (23, 657260), (46, 328630), (59, 256220), (92, 164315), (115, 131452), (118, 128110), (230, 65726), (236, 64055), (295, 51244), (460, 32863), (557, 27140), (590, 25622), (1114, 13570), (1180, 12811), (1357, 11140), (2228, 6785), (2714, 5570), (2785, 5428)]