259573160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 739031040

約数和(自身を除く): 479457880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 770, 781, 994, 1187, 1420, 1540, 1562, 1988, 2374, 2485, 2840, 3080, 3124, 3905, 3976, 4748, 4970, 5467, 5935, 6248, 7810, 8309, 9496, 9940, 10934, 11870, 13057, 15620, 16618, 19880, 21868, 23740, 26114, 27335, 31240, 33236, 41545, 43736, 47480, 52228, 54670, 65285, 66472, 83090, 84277, 91399, 104456, 109340, 130570, 166180, 168554, 182798, 218680, 261140, 332360, 337108, 365596, 421385, 456995, 522280, 589939, 674216, 731192, 842770, 913990, 927047, 1179878, 1685540, 1827980, 1854094, 2359756, 2949695, 3371080, 3655960, 3708188, 4635235, 4719512, 5899390, 6489329, 7416376, 9270470, 11798780, 12978658, 18540940, 23597560, 25957316, 32446645, 37081880, 51914632, 64893290, 129786580, 259573160]

約数ペア:

[(1, 259573160), (2, 129786580), (4, 64893290), (5, 51914632), (7, 37081880), (8, 32446645), (10, 25957316), (11, 23597560), (14, 18540940), (20, 12978658), (22, 11798780), (28, 9270470), (35, 7416376), (40, 6489329), (44, 5899390), (55, 4719512), (56, 4635235), (70, 3708188), (71, 3655960), (77, 3371080), (88, 2949695), (110, 2359756), (140, 1854094), (142, 1827980), (154, 1685540), (220, 1179878), (280, 927047), (284, 913990), (308, 842770), (355, 731192), (385, 674216), (440, 589939), (497, 522280), (568, 456995), (616, 421385), (710, 365596), (770, 337108), (781, 332360), (994, 261140), (1187, 218680), (1420, 182798), (1540, 168554), (1562, 166180), (1988, 130570), (2374, 109340), (2485, 104456), (2840, 91399), (3080, 84277), (3124, 83090), (3905, 66472), (3976, 65285), (4748, 54670), (4970, 52228), (5467, 47480), (5935, 43736), (6248, 41545), (7810, 33236), (8309, 31240), (9496, 27335), (9940, 26114), (10934, 23740), (11870, 21868), (13057, 19880), (15620, 16618)]