82870840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 215913600

約数和(自身を除く): 133042760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 169, 184, 205, 230, 260, 299, 328, 338, 410, 460, 520, 533, 598, 676, 820, 845, 920, 943, 1066, 1196, 1352, 1495, 1640, 1690, 1886, 2132, 2197, 2392, 2665, 2990, 3380, 3772, 3887, 4264, 4394, 4715, 5330, 5980, 6760, 6929, 7544, 7774, 8788, 9430, 10660, 10985, 11960, 12259, 13858, 15548, 17576, 18860, 19435, 21320, 21970, 24518, 27716, 31096, 34645, 37720, 38870, 43940, 49036, 50531, 55432, 61295, 69290, 77740, 87880, 90077, 98072, 101062, 122590, 138580, 155480, 159367, 180154, 202124, 245180, 252655, 277160, 318734, 360308, 404248, 450385, 490360, 505310, 637468, 720616, 796835, 900770, 1010620, 1274936, 1593670, 1801540, 2021240, 2071771, 3187340, 3603080, 4143542, 6374680, 8287084, 10358855, 16574168, 20717710, 41435420, 82870840]

約数ペア:

[(1, 82870840), (2, 41435420), (4, 20717710), (5, 16574168), (8, 10358855), (10, 8287084), (13, 6374680), (20, 4143542), (23, 3603080), (26, 3187340), (40, 2071771), (41, 2021240), (46, 1801540), (52, 1593670), (65, 1274936), (82, 1010620), (92, 900770), (104, 796835), (115, 720616), (130, 637468), (164, 505310), (169, 490360), (184, 450385), (205, 404248), (230, 360308), (260, 318734), (299, 277160), (328, 252655), (338, 245180), (410, 202124), (460, 180154), (520, 159367), (533, 155480), (598, 138580), (676, 122590), (820, 101062), (845, 98072), (920, 90077), (943, 87880), (1066, 77740), (1196, 69290), (1352, 61295), (1495, 55432), (1640, 50531), (1690, 49036), (1886, 43940), (2132, 38870), (2197, 37720), (2392, 34645), (2665, 31096), (2990, 27716), (3380, 24518), (3772, 21970), (3887, 21320), (4264, 19435), (4394, 18860), (4715, 17576), (5330, 15548), (5980, 13858), (6760, 12259), (6929, 11960), (7544, 10985), (7774, 10660), (8788, 9430)]