61395580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 133489440

約数和(自身を除く): 72093860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 509, 652, 740, 815, 1018, 1630, 2036, 2545, 3260, 5090, 6031, 10180, 12062, 18833, 24124, 30155, 37666, 60310, 75332, 82967, 94165, 120620, 165934, 188330, 331868, 376660, 414835, 829670, 1659340, 3069779, 6139558, 12279116, 15348895, 30697790, 61395580]

約数ペア:

[(1, 61395580), (2, 30697790), (4, 15348895), (5, 12279116), (10, 6139558), (20, 3069779), (37, 1659340), (74, 829670), (148, 414835), (163, 376660), (185, 331868), (326, 188330), (370, 165934), (509, 120620), (652, 94165), (740, 82967), (815, 75332), (1018, 60310), (1630, 37666), (2036, 30155), (2545, 24124), (3260, 18833), (5090, 12062), (6031, 10180)]