1219240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 3188160

約数和(自身を除く): 1968920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 163, 170, 187, 220, 326, 340, 374, 440, 652, 680, 748, 815, 935, 1304, 1496, 1630, 1793, 1870, 2771, 3260, 3586, 3740, 5542, 6520, 7172, 7480, 8965, 11084, 13855, 14344, 17930, 22168, 27710, 30481, 35860, 55420, 60962, 71720, 110840, 121924, 152405, 243848, 304810, 609620, 1219240]

約数ペア:

[(1, 1219240), (2, 609620), (4, 304810), (5, 243848), (8, 152405), (10, 121924), (11, 110840), (17, 71720), (20, 60962), (22, 55420), (34, 35860), (40, 30481), (44, 27710), (55, 22168), (68, 17930), (85, 14344), (88, 13855), (110, 11084), (136, 8965), (163, 7480), (170, 7172), (187, 6520), (220, 5542), (326, 3740), (340, 3586), (374, 3260), (440, 2771), (652, 1870), (680, 1793), (748, 1630), (815, 1496), (935, 1304)]