42685160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 110574720

約数和(自身を除く): 67889560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 971, 1099, 1256, 1570, 1942, 2198, 3140, 3884, 4396, 4855, 5495, 6280, 6797, 7768, 8792, 9710, 10990, 13594, 19420, 21980, 27188, 33985, 38840, 43960, 54376, 67970, 135940, 152447, 271880, 304894, 609788, 762235, 1067129, 1219576, 1524470, 2134258, 3048940, 4268516, 5335645, 6097880, 8537032, 10671290, 21342580, 42685160]

約数ペア:

[(1, 42685160), (2, 21342580), (4, 10671290), (5, 8537032), (7, 6097880), (8, 5335645), (10, 4268516), (14, 3048940), (20, 2134258), (28, 1524470), (35, 1219576), (40, 1067129), (56, 762235), (70, 609788), (140, 304894), (157, 271880), (280, 152447), (314, 135940), (628, 67970), (785, 54376), (971, 43960), (1099, 38840), (1256, 33985), (1570, 27188), (1942, 21980), (2198, 19420), (3140, 13594), (3884, 10990), (4396, 9710), (4855, 8792), (5495, 7768), (6280, 6797)]