151781320

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24169}}^1$

素因数の和:24337

約数の個数: 32

約数和(自身を含む): 343697400

約数和(自身を除く): 191916080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 24169, 48338, 96676, 120845, 193352, 241690, 483380, 966760, 3794533, 7589066, 15178132, 18972665, 30356264, 37945330, 75890660, 151781320]

約数ペア:

[(1, 151781320), (2, 75890660), (4, 37945330), (5, 30356264), (8, 18972665), (10, 15178132), (20, 7589066), (40, 3794533), (157, 966760), (314, 483380), (628, 241690), (785, 193352), (1256, 120845), (1570, 96676), (3140, 48338), (6280, 24169)]