402802680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20849}}^1$

素因数の和:20893

約数の個数: 128

約数和(自身を含む): 1441152000

約数和(自身を除く): 1038349320

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, 4830, 6440, 9660, 19320, 20849, 41698, 62547, 83396, 104245, 125094, 145943, 166792, 208490, 250188, 291886, 312735, 416980, 437829, 479527, 500376, 583772, 625470, 729715, 833960, 875658, 959054, 1167544, 1250940, 1438581, 1459430, 1751316, 1918108, 2189145, 2397635, 2501880, 2877162, 2918860, 3356689, 3502632, 3836216, 4378290, 4795270, 5754324, 5837720, 6713378, 7192905, 8756580, 9590540, 10070067, 11508648, 13426756, 14385810, 16783445, 17513160, 19181080, 20140134, 26853512, 28771620, 33566890, 40280268, 50350335, 57543240, 67133780, 80560536, 100700670, 134267560, 201401340, 402802680]

約数ペア:

[(1, 402802680), (2, 201401340), (3, 134267560), (4, 100700670), (5, 80560536), (6, 67133780), (7, 57543240), (8, 50350335), (10, 40280268), (12, 33566890), (14, 28771620), (15, 26853512), (20, 20140134), (21, 19181080), (23, 17513160), (24, 16783445), (28, 14385810), (30, 13426756), (35, 11508648), (40, 10070067), (42, 9590540), (46, 8756580), (56, 7192905), (60, 6713378), (69, 5837720), (70, 5754324), (84, 4795270), (92, 4378290), (105, 3836216), (115, 3502632), (120, 3356689), (138, 2918860), (140, 2877162), (161, 2501880), (168, 2397635), (184, 2189145), (210, 1918108), (230, 1751316), (276, 1459430), (280, 1438581), (322, 1250940), (345, 1167544), (420, 959054), (460, 875658), (483, 833960), (552, 729715), (644, 625470), (690, 583772), (805, 500376), (840, 479527), (920, 437829), (966, 416980), (1288, 312735), (1380, 291886), (1610, 250188), (1932, 208490), (2415, 166792), (2760, 145943), (3220, 125094), (3864, 104245), (4830, 83396), (6440, 62547), (9660, 41698), (19320, 20849)]