51111120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1420

約数の個数: 80

約数和(自身を含む): 159489792

約数和(自身を除く): 108378672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 865, 1038, 1231, 1384, 1730, 2076, 2462, 2595, 2768, 3460, 3693, 4152, 4924, 5190, 6155, 6920, 7386, 8304, 9848, 10380, 12310, 13840, 14772, 18465, 19696, 20760, 24620, 29544, 36930, 41520, 49240, 59088, 73860, 98480, 147720, 212963, 295440, 425926, 638889, 851852, 1064815, 1277778, 1703704, 2129630, 2555556, 3194445, 3407408, 4259260, 5111112, 6388890, 8518520, 10222224, 12777780, 17037040, 25555560, 51111120]

約数ペア:

[(1, 51111120), (2, 25555560), (3, 17037040), (4, 12777780), (5, 10222224), (6, 8518520), (8, 6388890), (10, 5111112), (12, 4259260), (15, 3407408), (16, 3194445), (20, 2555556), (24, 2129630), (30, 1703704), (40, 1277778), (48, 1064815), (60, 851852), (80, 638889), (120, 425926), (173, 295440), (240, 212963), (346, 147720), (519, 98480), (692, 73860), (865, 59088), (1038, 49240), (1231, 41520), (1384, 36930), (1730, 29544), (2076, 24620), (2462, 20760), (2595, 19696), (2768, 18465), (3460, 14772), (3693, 13840), (4152, 12310), (4924, 10380), (5190, 9848), (6155, 8304), (6920, 7386)]