12100720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 29763720

約数和(自身を除く): 17663000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 419, 722, 760, 838, 1444, 1520, 1676, 1805, 2095, 2888, 3352, 3610, 4190, 5776, 6704, 7220, 7961, 8380, 14440, 15922, 16760, 28880, 31844, 33520, 39805, 63688, 79610, 127376, 151259, 159220, 302518, 318440, 605036, 636880, 756295, 1210072, 1512590, 2420144, 3025180, 6050360, 12100720]

約数ペア:

[(1, 12100720), (2, 6050360), (4, 3025180), (5, 2420144), (8, 1512590), (10, 1210072), (16, 756295), (19, 636880), (20, 605036), (38, 318440), (40, 302518), (76, 159220), (80, 151259), (95, 127376), (152, 79610), (190, 63688), (304, 39805), (361, 33520), (380, 31844), (419, 28880), (722, 16760), (760, 15922), (838, 14440), (1444, 8380), (1520, 7961), (1676, 7220), (1805, 6704), (2095, 5776), (2888, 4190), (3352, 3610)]