31827320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 82399680

約数和(自身を除く): 50572360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 577, 788, 985, 1154, 1379, 1576, 1970, 2308, 2758, 2885, 3940, 4039, 4616, 5516, 5770, 6895, 7880, 8078, 11032, 11540, 13790, 16156, 20195, 23080, 27580, 32312, 40390, 55160, 80780, 113669, 161560, 227338, 454676, 568345, 795683, 909352, 1136690, 1591366, 2273380, 3182732, 3978415, 4546760, 6365464, 7956830, 15913660, 31827320]

約数ペア:

[(1, 31827320), (2, 15913660), (4, 7956830), (5, 6365464), (7, 4546760), (8, 3978415), (10, 3182732), (14, 2273380), (20, 1591366), (28, 1136690), (35, 909352), (40, 795683), (56, 568345), (70, 454676), (140, 227338), (197, 161560), (280, 113669), (394, 80780), (577, 55160), (788, 40390), (985, 32312), (1154, 27580), (1379, 23080), (1576, 20195), (1970, 16156), (2308, 13790), (2758, 11540), (2885, 11032), (3940, 8078), (4039, 7880), (4616, 6895), (5516, 5770)]