1520783780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{8431}}^1$

素因数の和:8780

約数の個数: 48

約数和(自身を含む): 3314787840

約数和(自身を除く): 1794004060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 580, 622, 1244, 1555, 3110, 6220, 8431, 9019, 16862, 18038, 33724, 36076, 42155, 45095, 84310, 90190, 168620, 180380, 244499, 488998, 977996, 1222495, 2444990, 2622041, 4889980, 5244082, 10488164, 13110205, 26220410, 52440820, 76039189, 152078378, 304156756, 380195945, 760391890, 1520783780]

約数ペア:

[(1, 1520783780), (2, 760391890), (4, 380195945), (5, 304156756), (10, 152078378), (20, 76039189), (29, 52440820), (58, 26220410), (116, 13110205), (145, 10488164), (290, 5244082), (311, 4889980), (580, 2622041), (622, 2444990), (1244, 1222495), (1555, 977996), (3110, 488998), (6220, 244499), (8431, 180380), (9019, 168620), (16862, 90190), (18038, 84310), (33724, 45095), (36076, 42155)]