68589080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 108496360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 503, 974, 1006, 1948, 2012, 2435, 2515, 3409, 3521, 3896, 4024, 4870, 5030, 6818, 7042, 9740, 10060, 13636, 14084, 17045, 17605, 19480, 20120, 27272, 28168, 34090, 35210, 68180, 70420, 136360, 140840, 244961, 489922, 979844, 1224805, 1714727, 1959688, 2449610, 3429454, 4899220, 6858908, 8573635, 9798440, 13717816, 17147270, 34294540, 68589080]

約数ペア:

[(1, 68589080), (2, 34294540), (4, 17147270), (5, 13717816), (7, 9798440), (8, 8573635), (10, 6858908), (14, 4899220), (20, 3429454), (28, 2449610), (35, 1959688), (40, 1714727), (56, 1224805), (70, 979844), (140, 489922), (280, 244961), (487, 140840), (503, 136360), (974, 70420), (1006, 68180), (1948, 35210), (2012, 34090), (2435, 28168), (2515, 27272), (3409, 20120), (3521, 19480), (3896, 17605), (4024, 17045), (4870, 14084), (5030, 13636), (6818, 10060), (7042, 9740)]