12495990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^2$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 32478768

約数和(自身を除く): 19982778

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 358, 390, 537, 895, 1074, 1790, 2327, 2685, 4654, 5370, 6981, 11635, 13962, 23270, 32041, 34905, 64082, 69810, 96123, 160205, 192246, 320410, 416533, 480615, 833066, 961230, 1249599, 2082665, 2499198, 4165330, 6247995, 12495990]

約数ペア:

[(1, 12495990), (2, 6247995), (3, 4165330), (5, 2499198), (6, 2082665), (10, 1249599), (13, 961230), (15, 833066), (26, 480615), (30, 416533), (39, 320410), (65, 192246), (78, 160205), (130, 96123), (179, 69810), (195, 64082), (358, 34905), (390, 32041), (537, 23270), (895, 13962), (1074, 11635), (1790, 6981), (2327, 5370), (2685, 4654)]