121644080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 299980800

約数和(自身を除く): 178336720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 304, 380, 382, 419, 760, 764, 838, 955, 1520, 1528, 1676, 1910, 2095, 3056, 3352, 3629, 3820, 4190, 6704, 7258, 7640, 7961, 8380, 14516, 15280, 15922, 16760, 18145, 29032, 31844, 33520, 36290, 39805, 58064, 63688, 72580, 79610, 80029, 127376, 145160, 159220, 160058, 290320, 318440, 320116, 400145, 636880, 640232, 800290, 1280464, 1520551, 1600580, 3041102, 3201160, 6082204, 6402320, 7602755, 12164408, 15205510, 24328816, 30411020, 60822040, 121644080]

約数ペア:

[(1, 121644080), (2, 60822040), (4, 30411020), (5, 24328816), (8, 15205510), (10, 12164408), (16, 7602755), (19, 6402320), (20, 6082204), (38, 3201160), (40, 3041102), (76, 1600580), (80, 1520551), (95, 1280464), (152, 800290), (190, 640232), (191, 636880), (304, 400145), (380, 320116), (382, 318440), (419, 290320), (760, 160058), (764, 159220), (838, 145160), (955, 127376), (1520, 80029), (1528, 79610), (1676, 72580), (1910, 63688), (2095, 58064), (3056, 39805), (3352, 36290), (3629, 33520), (3820, 31844), (4190, 29032), (6704, 18145), (7258, 16760), (7640, 15922), (7961, 15280), (8380, 14516)]