15621920

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 21573280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 599, 652, 815, 1198, 1304, 1630, 2396, 2608, 2995, 3260, 4792, 5216, 5990, 6520, 9584, 11980, 13040, 19168, 23960, 26080, 47920, 95840, 97637, 195274, 390548, 488185, 781096, 976370, 1562192, 1952740, 3124384, 3905480, 7810960, 15621920]

約数ペア:

[(1, 15621920), (2, 7810960), (4, 3905480), (5, 3124384), (8, 1952740), (10, 1562192), (16, 976370), (20, 781096), (32, 488185), (40, 390548), (80, 195274), (160, 97637), (163, 95840), (326, 47920), (599, 26080), (652, 23960), (815, 19168), (1198, 13040), (1304, 11980), (1630, 9584), (2396, 6520), (2608, 5990), (2995, 5216), (3260, 4792)]