312306280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 838252800

約数和(自身を除く): 525946520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 220, 260, 284, 286, 355, 440, 520, 568, 572, 710, 715, 769, 781, 923, 1144, 1420, 1430, 1538, 1562, 1846, 2840, 2860, 3076, 3124, 3692, 3845, 3905, 4615, 5720, 6152, 6248, 7384, 7690, 7810, 8459, 9230, 9997, 10153, 15380, 15620, 16918, 18460, 19994, 20306, 30760, 31240, 33836, 36920, 39988, 40612, 42295, 49985, 50765, 54599, 67672, 79976, 81224, 84590, 99970, 101530, 109198, 109967, 169180, 199940, 203060, 218396, 219934, 272995, 338360, 399880, 406120, 436792, 439868, 545990, 549835, 600589, 709787, 879736, 1091980, 1099670, 1201178, 1419574, 2183960, 2199340, 2402356, 2839148, 3002945, 3548935, 4398680, 4804712, 5678296, 6005890, 7097870, 7807657, 12011780, 14195740, 15615314, 24023560, 28391480, 31230628, 39038285, 62461256, 78076570, 156153140, 312306280]

約数ペア:

[(1, 312306280), (2, 156153140), (4, 78076570), (5, 62461256), (8, 39038285), (10, 31230628), (11, 28391480), (13, 24023560), (20, 15615314), (22, 14195740), (26, 12011780), (40, 7807657), (44, 7097870), (52, 6005890), (55, 5678296), (65, 4804712), (71, 4398680), (88, 3548935), (104, 3002945), (110, 2839148), (130, 2402356), (142, 2199340), (143, 2183960), (220, 1419574), (260, 1201178), (284, 1099670), (286, 1091980), (355, 879736), (440, 709787), (520, 600589), (568, 549835), (572, 545990), (710, 439868), (715, 436792), (769, 406120), (781, 399880), (923, 338360), (1144, 272995), (1420, 219934), (1430, 218396), (1538, 203060), (1562, 199940), (1846, 169180), (2840, 109967), (2860, 109198), (3076, 101530), (3124, 99970), (3692, 84590), (3845, 81224), (3905, 79976), (4615, 67672), (5720, 54599), (6152, 50765), (6248, 49985), (7384, 42295), (7690, 40612), (7810, 39988), (8459, 36920), (9230, 33836), (9997, 31240), (10153, 30760), (15380, 20306), (15620, 19994), (16918, 18460)]