79170680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 184006080

約数和(自身を除く): 104835400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 457, 488, 568, 610, 710, 914, 1220, 1420, 1828, 2285, 2440, 2840, 3656, 4331, 4570, 8662, 9140, 17324, 18280, 21655, 27877, 32447, 34648, 43310, 55754, 64894, 86620, 111508, 129788, 139385, 162235, 173240, 223016, 259576, 278770, 324470, 557540, 648940, 1115080, 1297880, 1979267, 3958534, 7917068, 9896335, 15834136, 19792670, 39585340, 79170680]

約数ペア:

[(1, 79170680), (2, 39585340), (4, 19792670), (5, 15834136), (8, 9896335), (10, 7917068), (20, 3958534), (40, 1979267), (61, 1297880), (71, 1115080), (122, 648940), (142, 557540), (244, 324470), (284, 278770), (305, 259576), (355, 223016), (457, 173240), (488, 162235), (568, 139385), (610, 129788), (710, 111508), (914, 86620), (1220, 64894), (1420, 55754), (1828, 43310), (2285, 34648), (2440, 32447), (2840, 27877), (3656, 21655), (4331, 18280), (4570, 17324), (8662, 9140)]