6580280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 17210880

約数和(自身を除く): 10630600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 331, 355, 497, 568, 662, 710, 994, 1324, 1420, 1655, 1988, 2317, 2485, 2648, 2840, 3310, 3976, 4634, 4970, 6620, 9268, 9940, 11585, 13240, 18536, 19880, 23170, 23501, 46340, 47002, 92680, 94004, 117505, 164507, 188008, 235010, 329014, 470020, 658028, 822535, 940040, 1316056, 1645070, 3290140, 6580280]

約数ペア:

[(1, 6580280), (2, 3290140), (4, 1645070), (5, 1316056), (7, 940040), (8, 822535), (10, 658028), (14, 470020), (20, 329014), (28, 235010), (35, 188008), (40, 164507), (56, 117505), (70, 94004), (71, 92680), (140, 47002), (142, 46340), (280, 23501), (284, 23170), (331, 19880), (355, 18536), (497, 13240), (568, 11585), (662, 9940), (710, 9268), (994, 6620), (1324, 4970), (1420, 4634), (1655, 3976), (1988, 3310), (2317, 2840), (2485, 2648)]