2018973960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{11239}}^1$

素因数の和:11755

約数の個数: 96

約数和(自身を含む): 6575400000

約数和(自身を除く): 4556426040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 499, 998, 1497, 1996, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 8982, 9980, 11239, 11976, 14970, 17964, 19960, 22455, 22478, 29940, 33717, 35928, 44910, 44956, 56195, 59880, 67434, 89820, 89912, 101151, 112390, 134868, 168585, 179640, 202302, 224780, 269736, 337170, 404604, 449560, 505755, 674340, 809208, 1011510, 1348680, 2023020, 4046040, 5608261, 11216522, 16824783, 22433044, 28041305, 33649566, 44866088, 50474349, 56082610, 67299132, 84123915, 100948698, 112165220, 134598264, 168247830, 201897396, 224330440, 252371745, 336495660, 403794792, 504743490, 672991320, 1009486980, 2018973960]

約数ペア:

[(1, 2018973960), (2, 1009486980), (3, 672991320), (4, 504743490), (5, 403794792), (6, 336495660), (8, 252371745), (9, 224330440), (10, 201897396), (12, 168247830), (15, 134598264), (18, 112165220), (20, 100948698), (24, 84123915), (30, 67299132), (36, 56082610), (40, 50474349), (45, 44866088), (60, 33649566), (72, 28041305), (90, 22433044), (120, 16824783), (180, 11216522), (360, 5608261), (499, 4046040), (998, 2023020), (1497, 1348680), (1996, 1011510), (2495, 809208), (2994, 674340), (3992, 505755), (4491, 449560), (4990, 404604), (5988, 337170), (7485, 269736), (8982, 224780), (9980, 202302), (11239, 179640), (11976, 168585), (14970, 134868), (17964, 112390), (19960, 101151), (22455, 89912), (22478, 89820), (29940, 67434), (33717, 59880), (35928, 56195), (44910, 44956)]