128371760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8581}}^1$

素因数の和:8622

約数の個数: 80

約数和(自身を含む): 344790432

約数和(自身を除く): 216418672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 8581, 14960, 17162, 34324, 42905, 68648, 85810, 94391, 137296, 145877, 171620, 188782, 291754, 343240, 377564, 471955, 583508, 686480, 729385, 755128, 943910, 1167016, 1458770, 1510256, 1604647, 1887820, 2334032, 2917540, 3209294, 3775640, 5835080, 6418588, 7551280, 8023235, 11670160, 12837176, 16046470, 25674352, 32092940, 64185880, 128371760]

約数ペア:

[(1, 128371760), (2, 64185880), (4, 32092940), (5, 25674352), (8, 16046470), (10, 12837176), (11, 11670160), (16, 8023235), (17, 7551280), (20, 6418588), (22, 5835080), (34, 3775640), (40, 3209294), (44, 2917540), (55, 2334032), (68, 1887820), (80, 1604647), (85, 1510256), (88, 1458770), (110, 1167016), (136, 943910), (170, 755128), (176, 729385), (187, 686480), (220, 583508), (272, 471955), (340, 377564), (374, 343240), (440, 291754), (680, 188782), (748, 171620), (880, 145877), (935, 137296), (1360, 94391), (1496, 85810), (1870, 68648), (2992, 42905), (3740, 34324), (7480, 17162), (8581, 14960)]