15840684

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 42602560

約数和(自身を除く): 26761876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 379, 387, 486, 516, 758, 774, 972, 1137, 1161, 1516, 1548, 2274, 2322, 3411, 3483, 4548, 4644, 6822, 6966, 10233, 10449, 13644, 13932, 16297, 20466, 20898, 30699, 32594, 40932, 41796, 48891, 61398, 65188, 92097, 97782, 122796, 146673, 184194, 195564, 293346, 368388, 440019, 586692, 880038, 1320057, 1760076, 2640114, 3960171, 5280228, 7920342, 15840684]

約数ペア:

[(1, 15840684), (2, 7920342), (3, 5280228), (4, 3960171), (6, 2640114), (9, 1760076), (12, 1320057), (18, 880038), (27, 586692), (36, 440019), (43, 368388), (54, 293346), (81, 195564), (86, 184194), (108, 146673), (129, 122796), (162, 97782), (172, 92097), (243, 65188), (258, 61398), (324, 48891), (379, 41796), (387, 40932), (486, 32594), (516, 30699), (758, 20898), (774, 20466), (972, 16297), (1137, 13932), (1161, 13644), (1516, 10449), (1548, 10233), (2274, 6966), (2322, 6822), (3411, 4644), (3483, 4548)]