158900840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7993}}^1$

素因数の和:8082

約数の個数: 64

約数和(自身を含む): 414408960

約数和(自身を除く): 255508120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 7993, 9940, 15986, 19880, 31972, 39965, 55951, 63944, 79930, 111902, 159860, 223804, 279755, 319720, 447608, 559510, 567503, 1119020, 1135006, 2238040, 2270012, 2837515, 3972521, 4540024, 5675030, 7945042, 11350060, 15890084, 19862605, 22700120, 31780168, 39725210, 79450420, 158900840]

約数ペア:

[(1, 158900840), (2, 79450420), (4, 39725210), (5, 31780168), (7, 22700120), (8, 19862605), (10, 15890084), (14, 11350060), (20, 7945042), (28, 5675030), (35, 4540024), (40, 3972521), (56, 2837515), (70, 2270012), (71, 2238040), (140, 1135006), (142, 1119020), (280, 567503), (284, 559510), (355, 447608), (497, 319720), (568, 279755), (710, 223804), (994, 159860), (1420, 111902), (1988, 79930), (2485, 63944), (2840, 55951), (3976, 39965), (4970, 31972), (7993, 19880), (9940, 15986)]