81704280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4229}}^1$

素因数の和:4273

約数の個数: 128

約数和(自身を含む): 292377600

約数和(自身を除く): 210673320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4229, 4830, 6440, 8458, 9660, 12687, 16916, 19320, 21145, 25374, 29603, 33832, 42290, 50748, 59206, 63435, 84580, 88809, 97267, 101496, 118412, 126870, 148015, 169160, 177618, 194534, 236824, 253740, 291801, 296030, 355236, 389068, 444045, 486335, 507480, 583602, 592060, 680869, 710472, 778136, 888090, 972670, 1167204, 1184120, 1361738, 1459005, 1776180, 1945340, 2042607, 2334408, 2723476, 2918010, 3404345, 3552360, 3890680, 4085214, 5446952, 5836020, 6808690, 8170428, 10213035, 11672040, 13617380, 16340856, 20426070, 27234760, 40852140, 81704280]

約数ペア:

[(1, 81704280), (2, 40852140), (3, 27234760), (4, 20426070), (5, 16340856), (6, 13617380), (7, 11672040), (8, 10213035), (10, 8170428), (12, 6808690), (14, 5836020), (15, 5446952), (20, 4085214), (21, 3890680), (23, 3552360), (24, 3404345), (28, 2918010), (30, 2723476), (35, 2334408), (40, 2042607), (42, 1945340), (46, 1776180), (56, 1459005), (60, 1361738), (69, 1184120), (70, 1167204), (84, 972670), (92, 888090), (105, 778136), (115, 710472), (120, 680869), (138, 592060), (140, 583602), (161, 507480), (168, 486335), (184, 444045), (210, 389068), (230, 355236), (276, 296030), (280, 291801), (322, 253740), (345, 236824), (420, 194534), (460, 177618), (483, 169160), (552, 148015), (644, 126870), (690, 118412), (805, 101496), (840, 97267), (920, 88809), (966, 84580), (1288, 63435), (1380, 59206), (1610, 50748), (1932, 42290), (2415, 33832), (2760, 29603), (3220, 25374), (3864, 21145), (4229, 19320), (4830, 16916), (6440, 12687), (8458, 9660)]