159857720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{363313}}^1$

素因数の和:363335

約数の個数: 32

約数和(自身を含む): 392379120

約数和(自身を除く): 232521400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 363313, 726626, 1453252, 1816565, 2906504, 3633130, 3996443, 7266260, 7992886, 14532520, 15985772, 19982215, 31971544, 39964430, 79928860, 159857720]

約数ペア:

[(1, 159857720), (2, 79928860), (4, 39964430), (5, 31971544), (8, 19982215), (10, 15985772), (11, 14532520), (20, 7992886), (22, 7266260), (40, 3996443), (44, 3633130), (55, 2906504), (88, 1816565), (110, 1453252), (220, 726626), (440, 363313)]