120987640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 290122560

約数和(自身を除く): 169134920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 905, 983, 1448, 1810, 1966, 3077, 3620, 3932, 4915, 6154, 7240, 7864, 9830, 12308, 15385, 16711, 19660, 24616, 30770, 33422, 39320, 61540, 66844, 83555, 123080, 133688, 167110, 177923, 334220, 355846, 668440, 711692, 889615, 1423384, 1779230, 3024691, 3558460, 6049382, 7116920, 12098764, 15123455, 24197528, 30246910, 60493820, 120987640]

約数ペア:

[(1, 120987640), (2, 60493820), (4, 30246910), (5, 24197528), (8, 15123455), (10, 12098764), (17, 7116920), (20, 6049382), (34, 3558460), (40, 3024691), (68, 1779230), (85, 1423384), (136, 889615), (170, 711692), (181, 668440), (340, 355846), (362, 334220), (680, 177923), (724, 167110), (905, 133688), (983, 123080), (1448, 83555), (1810, 66844), (1966, 61540), (3077, 39320), (3620, 33422), (3932, 30770), (4915, 24616), (6154, 19660), (7240, 16711), (7864, 15385), (9830, 12308)]