68591320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 177408000

約数和(自身を除く): 108816680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1231, 1393, 1592, 1990, 2462, 2786, 3980, 4924, 5572, 6155, 6965, 7960, 8617, 9848, 11144, 12310, 13930, 17234, 24620, 27860, 34468, 43085, 49240, 55720, 68936, 86170, 172340, 244969, 344680, 489938, 979876, 1224845, 1714783, 1959752, 2449690, 3429566, 4899380, 6859132, 8573915, 9798760, 13718264, 17147830, 34295660, 68591320]

約数ペア:

[(1, 68591320), (2, 34295660), (4, 17147830), (5, 13718264), (7, 9798760), (8, 8573915), (10, 6859132), (14, 4899380), (20, 3429566), (28, 2449690), (35, 1959752), (40, 1714783), (56, 1224845), (70, 979876), (140, 489938), (199, 344680), (280, 244969), (398, 172340), (796, 86170), (995, 68936), (1231, 55720), (1393, 49240), (1592, 43085), (1990, 34468), (2462, 27860), (2786, 24620), (3980, 17234), (4924, 13930), (5572, 12310), (6155, 11144), (6965, 9848), (7960, 8617)]