80875260

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{43}}^2$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 260779680

約数和(自身を除く): 179904420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 729, 774, 810, 860, 972, 1161, 1215, 1290, 1458, 1548, 1620, 1849, 1935, 2187, 2322, 2430, 2580, 2916, 3483, 3645, 3698, 3870, 4374, 4644, 4860, 5547, 5805, 6966, 7290, 7396, 7740, 8748, 9245, 10449, 10935, 11094, 11610, 13932, 14580, 16641, 17415, 18490, 20898, 21870, 22188, 23220, 27735, 31347, 33282, 34830, 36980, 41796, 43740, 49923, 52245, 55470, 62694, 66564, 69660, 83205, 94041, 99846, 104490, 110940, 125388, 149769, 156735, 166410, 188082, 199692, 208980, 249615, 299538, 313470, 332820, 376164, 449307, 470205, 499230, 599076, 626940, 748845, 898614, 940410, 998460, 1347921, 1497690, 1797228, 1880820, 2246535, 2695842, 2995380, 4043763, 4493070, 5391684, 6739605, 8087526, 8986140, 13479210, 16175052, 20218815, 26958420, 40437630, 80875260]

約数ペア:

[(1, 80875260), (2, 40437630), (3, 26958420), (4, 20218815), (5, 16175052), (6, 13479210), (9, 8986140), (10, 8087526), (12, 6739605), (15, 5391684), (18, 4493070), (20, 4043763), (27, 2995380), (30, 2695842), (36, 2246535), (43, 1880820), (45, 1797228), (54, 1497690), (60, 1347921), (81, 998460), (86, 940410), (90, 898614), (108, 748845), (129, 626940), (135, 599076), (162, 499230), (172, 470205), (180, 449307), (215, 376164), (243, 332820), (258, 313470), (270, 299538), (324, 249615), (387, 208980), (405, 199692), (430, 188082), (486, 166410), (516, 156735), (540, 149769), (645, 125388), (729, 110940), (774, 104490), (810, 99846), (860, 94041), (972, 83205), (1161, 69660), (1215, 66564), (1290, 62694), (1458, 55470), (1548, 52245), (1620, 49923), (1849, 43740), (1935, 41796), (2187, 36980), (2322, 34830), (2430, 33282), (2580, 31347), (2916, 27735), (3483, 23220), (3645, 22188), (3698, 21870), (3870, 20898), (4374, 18490), (4644, 17415), (4860, 16641), (5547, 14580), (5805, 13932), (6966, 11610), (7290, 11094), (7396, 10935), (7740, 10449), (8748, 9245)]