61773320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31517}}^1$

素因数の和:31542

約数の個数: 48

約数和(自身を含む): 161687340

約数和(自身を除く): 99914020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31517, 63034, 126068, 157585, 220619, 252136, 315170, 441238, 630340, 882476, 1103095, 1260680, 1544333, 1764952, 2206190, 3088666, 4412380, 6177332, 7721665, 8824760, 12354664, 15443330, 30886660, 61773320]

約数ペア:

[(1, 61773320), (2, 30886660), (4, 15443330), (5, 12354664), (7, 8824760), (8, 7721665), (10, 6177332), (14, 4412380), (20, 3088666), (28, 2206190), (35, 1764952), (40, 1544333), (49, 1260680), (56, 1103095), (70, 882476), (98, 630340), (140, 441238), (196, 315170), (245, 252136), (280, 220619), (392, 157585), (490, 126068), (980, 63034), (1960, 31517)]