81740610

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 253555200

約数和(自身を除く): 171814590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 135, 183, 189, 210, 270, 305, 315, 366, 378, 427, 549, 610, 630, 709, 854, 915, 945, 1098, 1281, 1418, 1647, 1830, 1890, 2127, 2135, 2562, 2745, 3294, 3545, 3843, 4254, 4270, 4963, 5490, 6381, 6405, 7090, 7686, 8235, 9926, 10635, 11529, 12762, 12810, 14889, 16470, 19143, 19215, 21270, 23058, 24815, 29778, 31905, 38286, 38430, 43249, 44667, 49630, 57645, 63810, 74445, 86498, 89334, 95715, 115290, 129747, 134001, 148890, 191430, 216245, 223335, 259494, 268002, 302743, 389241, 432490, 446670, 605486, 648735, 670005, 778482, 908229, 1167723, 1297470, 1340010, 1513715, 1816458, 1946205, 2335446, 2724687, 3027430, 3892410, 4541145, 5449374, 5838615, 8174061, 9082290, 11677230, 13623435, 16348122, 27246870, 40870305, 81740610]

約数ペア:

[(1, 81740610), (2, 40870305), (3, 27246870), (5, 16348122), (6, 13623435), (7, 11677230), (9, 9082290), (10, 8174061), (14, 5838615), (15, 5449374), (18, 4541145), (21, 3892410), (27, 3027430), (30, 2724687), (35, 2335446), (42, 1946205), (45, 1816458), (54, 1513715), (61, 1340010), (63, 1297470), (70, 1167723), (90, 908229), (105, 778482), (122, 670005), (126, 648735), (135, 605486), (183, 446670), (189, 432490), (210, 389241), (270, 302743), (305, 268002), (315, 259494), (366, 223335), (378, 216245), (427, 191430), (549, 148890), (610, 134001), (630, 129747), (709, 115290), (854, 95715), (915, 89334), (945, 86498), (1098, 74445), (1281, 63810), (1418, 57645), (1647, 49630), (1830, 44667), (1890, 43249), (2127, 38430), (2135, 38286), (2562, 31905), (2745, 29778), (3294, 24815), (3545, 23058), (3843, 21270), (4254, 19215), (4270, 19143), (4963, 16470), (5490, 14889), (6381, 12810), (6405, 12762), (7090, 11529), (7686, 10635), (8235, 9926)]