129655360

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{967}}^1$

素因数の和:1403

約数の個数: 56

約数和(自身を含む): 309798720

約数和(自身を除く): 180143360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 967, 1676, 1934, 2095, 3352, 3868, 4190, 4835, 6704, 7736, 8380, 9670, 13408, 15472, 16760, 19340, 26816, 30944, 33520, 38680, 61888, 67040, 77360, 134080, 154720, 309440, 405173, 810346, 1620692, 2025865, 3241384, 4051730, 6482768, 8103460, 12965536, 16206920, 25931072, 32413840, 64827680, 129655360]

約数ペア:

[(1, 129655360), (2, 64827680), (4, 32413840), (5, 25931072), (8, 16206920), (10, 12965536), (16, 8103460), (20, 6482768), (32, 4051730), (40, 3241384), (64, 2025865), (80, 1620692), (160, 810346), (320, 405173), (419, 309440), (838, 154720), (967, 134080), (1676, 77360), (1934, 67040), (2095, 61888), (3352, 38680), (3868, 33520), (4190, 30944), (4835, 26816), (6704, 19340), (7736, 16760), (8380, 15472), (9670, 13408)]