31971660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{76123}}^1$

素因数の和:76142

約数の個数: 48

約数和(自身を含む): 102310656

約数和(自身を除く): 70338996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 76123, 152246, 228369, 304492, 380615, 456738, 532861, 761230, 913476, 1065722, 1141845, 1522460, 1598583, 2131444, 2283690, 2664305, 3197166, 4567380, 5328610, 6394332, 7992915, 10657220, 15985830, 31971660]

約数ペア:

[(1, 31971660), (2, 15985830), (3, 10657220), (4, 7992915), (5, 6394332), (6, 5328610), (7, 4567380), (10, 3197166), (12, 2664305), (14, 2283690), (15, 2131444), (20, 1598583), (21, 1522460), (28, 1141845), (30, 1065722), (35, 913476), (42, 761230), (60, 532861), (70, 456738), (84, 380615), (105, 304492), (140, 228369), (210, 152246), (420, 76123)]