66403120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 177488640

約数和(自身を除く): 111085520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 419, 560, 566, 838, 1132, 1415, 1676, 1981, 2095, 2264, 2830, 2933, 3352, 3962, 4190, 4528, 5660, 5866, 6704, 7924, 8380, 9905, 11320, 11732, 14665, 15848, 16760, 19810, 22640, 23464, 29330, 31696, 33520, 39620, 46928, 58660, 79240, 117320, 118577, 158480, 234640, 237154, 474308, 592885, 830039, 948616, 1185770, 1660078, 1897232, 2371540, 3320156, 4150195, 4743080, 6640312, 8300390, 9486160, 13280624, 16600780, 33201560, 66403120]

約数ペア:

[(1, 66403120), (2, 33201560), (4, 16600780), (5, 13280624), (7, 9486160), (8, 8300390), (10, 6640312), (14, 4743080), (16, 4150195), (20, 3320156), (28, 2371540), (35, 1897232), (40, 1660078), (56, 1185770), (70, 948616), (80, 830039), (112, 592885), (140, 474308), (280, 237154), (283, 234640), (419, 158480), (560, 118577), (566, 117320), (838, 79240), (1132, 58660), (1415, 46928), (1676, 39620), (1981, 33520), (2095, 31696), (2264, 29330), (2830, 23464), (2933, 22640), (3352, 19810), (3962, 16760), (4190, 15848), (4528, 14665), (5660, 11732), (5866, 11320), (6704, 9905), (7924, 8380)]