139048640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 112

約数和(自身を含む): 347618304

約数和(自身を除く): 208569664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 131, 155, 160, 214, 248, 262, 310, 320, 428, 496, 524, 535, 620, 655, 856, 992, 1048, 1070, 1240, 1310, 1712, 1984, 2096, 2140, 2480, 2620, 3317, 3424, 4061, 4192, 4280, 4960, 5240, 6634, 6848, 8122, 8384, 8560, 9920, 10480, 13268, 14017, 16244, 16585, 17120, 20305, 20960, 26536, 28034, 32488, 33170, 34240, 40610, 41920, 53072, 56068, 64976, 66340, 70085, 81220, 106144, 112136, 129952, 132680, 140170, 162440, 212288, 224272, 259904, 265360, 280340, 324880, 434527, 448544, 530720, 560680, 649760, 869054, 897088, 1061440, 1121360, 1299520, 1738108, 2172635, 2242720, 3476216, 4345270, 4485440, 6952432, 8690540, 13904864, 17381080, 27809728, 34762160, 69524320, 139048640]

約数ペア:

[(1, 139048640), (2, 69524320), (4, 34762160), (5, 27809728), (8, 17381080), (10, 13904864), (16, 8690540), (20, 6952432), (31, 4485440), (32, 4345270), (40, 3476216), (62, 2242720), (64, 2172635), (80, 1738108), (107, 1299520), (124, 1121360), (131, 1061440), (155, 897088), (160, 869054), (214, 649760), (248, 560680), (262, 530720), (310, 448544), (320, 434527), (428, 324880), (496, 280340), (524, 265360), (535, 259904), (620, 224272), (655, 212288), (856, 162440), (992, 140170), (1048, 132680), (1070, 129952), (1240, 112136), (1310, 106144), (1712, 81220), (1984, 70085), (2096, 66340), (2140, 64976), (2480, 56068), (2620, 53072), (3317, 41920), (3424, 40610), (4061, 34240), (4192, 33170), (4280, 32488), (4960, 28034), (5240, 26536), (6634, 20960), (6848, 20305), (8122, 17120), (8384, 16585), (8560, 16244), (9920, 14017), (10480, 13268)]