6480880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 17570304

約数和(自身を除く): 11089424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 163, 280, 284, 326, 355, 497, 560, 568, 652, 710, 815, 994, 1136, 1141, 1304, 1420, 1630, 1988, 2282, 2485, 2608, 2840, 3260, 3976, 4564, 4970, 5680, 5705, 6520, 7952, 9128, 9940, 11410, 11573, 13040, 18256, 19880, 22820, 23146, 39760, 45640, 46292, 57865, 81011, 91280, 92584, 115730, 162022, 185168, 231460, 324044, 405055, 462920, 648088, 810110, 925840, 1296176, 1620220, 3240440, 6480880]

約数ペア:

[(1, 6480880), (2, 3240440), (4, 1620220), (5, 1296176), (7, 925840), (8, 810110), (10, 648088), (14, 462920), (16, 405055), (20, 324044), (28, 231460), (35, 185168), (40, 162022), (56, 115730), (70, 92584), (71, 91280), (80, 81011), (112, 57865), (140, 46292), (142, 45640), (163, 39760), (280, 23146), (284, 22820), (326, 19880), (355, 18256), (497, 13040), (560, 11573), (568, 11410), (652, 9940), (710, 9128), (815, 7952), (994, 6520), (1136, 5705), (1141, 5680), (1304, 4970), (1420, 4564), (1630, 3976), (1988, 3260), (2282, 2840), (2485, 2608)]