21777960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 65894400

約数和(自身を除く): 44116440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1429, 1524, 1905, 2540, 2858, 3048, 3810, 4287, 5080, 5716, 7145, 7620, 8574, 11432, 14290, 15240, 17148, 21435, 28580, 34296, 42870, 57160, 85740, 171480, 181483, 362966, 544449, 725932, 907415, 1088898, 1451864, 1814830, 2177796, 2722245, 3629660, 4355592, 5444490, 7259320, 10888980, 21777960]

約数ペア:

[(1, 21777960), (2, 10888980), (3, 7259320), (4, 5444490), (5, 4355592), (6, 3629660), (8, 2722245), (10, 2177796), (12, 1814830), (15, 1451864), (20, 1088898), (24, 907415), (30, 725932), (40, 544449), (60, 362966), (120, 181483), (127, 171480), (254, 85740), (381, 57160), (508, 42870), (635, 34296), (762, 28580), (1016, 21435), (1270, 17148), (1429, 15240), (1524, 14290), (1905, 11432), (2540, 8574), (2858, 7620), (3048, 7145), (3810, 5716), (4287, 5080)]