81555480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2243}}^1$

素因数の和:2361

約数の個数: 96

約数和(自身を含む): 267798960

約数和(自身を除く): 186243480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 606, 808, 909, 1010, 1212, 1515, 1818, 2020, 2243, 2424, 3030, 3636, 4040, 4486, 4545, 6060, 6729, 7272, 8972, 9090, 11215, 12120, 13458, 17944, 18180, 20187, 22430, 26916, 33645, 36360, 40374, 44860, 53832, 67290, 80748, 89720, 100935, 134580, 161496, 201870, 226543, 269160, 403740, 453086, 679629, 807480, 906172, 1132715, 1359258, 1812344, 2038887, 2265430, 2718516, 3398145, 4077774, 4530860, 5437032, 6796290, 8155548, 9061720, 10194435, 13592580, 16311096, 20388870, 27185160, 40777740, 81555480]

約数ペア:

[(1, 81555480), (2, 40777740), (3, 27185160), (4, 20388870), (5, 16311096), (6, 13592580), (8, 10194435), (9, 9061720), (10, 8155548), (12, 6796290), (15, 5437032), (18, 4530860), (20, 4077774), (24, 3398145), (30, 2718516), (36, 2265430), (40, 2038887), (45, 1812344), (60, 1359258), (72, 1132715), (90, 906172), (101, 807480), (120, 679629), (180, 453086), (202, 403740), (303, 269160), (360, 226543), (404, 201870), (505, 161496), (606, 134580), (808, 100935), (909, 89720), (1010, 80748), (1212, 67290), (1515, 53832), (1818, 44860), (2020, 40374), (2243, 36360), (2424, 33645), (3030, 26916), (3636, 22430), (4040, 20187), (4486, 18180), (4545, 17944), (6060, 13458), (6729, 12120), (7272, 11215), (8972, 9090)]