71171820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5569}}^1$

素因数の和:5655

約数の個数: 72

約数和(自身を含む): 218967840

約数和(自身を除く): 147796020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5569, 6390, 11138, 12780, 16707, 22276, 27845, 33414, 50121, 55690, 66828, 83535, 100242, 111380, 167070, 200484, 250605, 334140, 395399, 501210, 790798, 1002420, 1186197, 1581596, 1976995, 2372394, 3558591, 3953990, 4744788, 5930985, 7117182, 7907980, 11861970, 14234364, 17792955, 23723940, 35585910, 71171820]

約数ペア:

[(1, 71171820), (2, 35585910), (3, 23723940), (4, 17792955), (5, 14234364), (6, 11861970), (9, 7907980), (10, 7117182), (12, 5930985), (15, 4744788), (18, 3953990), (20, 3558591), (30, 2372394), (36, 1976995), (45, 1581596), (60, 1186197), (71, 1002420), (90, 790798), (142, 501210), (180, 395399), (213, 334140), (284, 250605), (355, 200484), (426, 167070), (639, 111380), (710, 100242), (852, 83535), (1065, 66828), (1278, 55690), (1420, 50121), (2130, 33414), (2556, 27845), (3195, 22276), (4260, 16707), (5569, 12780), (6390, 11138)]