81680430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 226759680

約数和(自身を除く): 145079250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 73, 78, 95, 114, 130, 146, 151, 190, 195, 219, 247, 285, 302, 365, 390, 438, 453, 494, 570, 730, 741, 755, 906, 949, 1095, 1235, 1387, 1482, 1510, 1898, 1963, 2190, 2265, 2470, 2774, 2847, 2869, 3705, 3926, 4161, 4530, 4745, 5694, 5738, 5889, 6935, 7410, 8322, 8607, 9490, 9815, 11023, 11778, 13870, 14235, 14345, 17214, 18031, 19630, 20805, 22046, 28470, 28690, 29445, 33069, 36062, 37297, 41610, 43035, 54093, 55115, 58890, 66138, 74594, 86070, 90155, 108186, 110230, 111891, 143299, 165345, 180310, 186485, 209437, 223782, 270465, 286598, 330690, 372970, 418874, 429897, 540930, 559455, 628311, 716495, 859794, 1047185, 1118910, 1256622, 1432990, 2094370, 2149485, 2722681, 3141555, 4298970, 5445362, 6283110, 8168043, 13613405, 16336086, 27226810, 40840215, 81680430]

約数ペア:

[(1, 81680430), (2, 40840215), (3, 27226810), (5, 16336086), (6, 13613405), (10, 8168043), (13, 6283110), (15, 5445362), (19, 4298970), (26, 3141555), (30, 2722681), (38, 2149485), (39, 2094370), (57, 1432990), (65, 1256622), (73, 1118910), (78, 1047185), (95, 859794), (114, 716495), (130, 628311), (146, 559455), (151, 540930), (190, 429897), (195, 418874), (219, 372970), (247, 330690), (285, 286598), (302, 270465), (365, 223782), (390, 209437), (438, 186485), (453, 180310), (494, 165345), (570, 143299), (730, 111891), (741, 110230), (755, 108186), (906, 90155), (949, 86070), (1095, 74594), (1235, 66138), (1387, 58890), (1482, 55115), (1510, 54093), (1898, 43035), (1963, 41610), (2190, 37297), (2265, 36062), (2470, 33069), (2774, 29445), (2847, 28690), (2869, 28470), (3705, 22046), (3926, 20805), (4161, 19630), (4530, 18031), (4745, 17214), (5694, 14345), (5738, 14235), (5889, 13870), (6935, 11778), (7410, 11023), (8322, 9815), (8607, 9490)]