40658520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 141120000

約数和(自身を除く): 100461480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 499, 582, 679, 776, 840, 970, 998, 1164, 1358, 1455, 1497, 1940, 1996, 2037, 2328, 2495, 2716, 2910, 2994, 3395, 3493, 3880, 3992, 4074, 4990, 5432, 5820, 5988, 6790, 6986, 7485, 8148, 9980, 10185, 10479, 11640, 11976, 13580, 13972, 14970, 16296, 17465, 19960, 20370, 20958, 27160, 27944, 29940, 34930, 40740, 41916, 48403, 52395, 59880, 69860, 81480, 83832, 96806, 104790, 139720, 145209, 193612, 209580, 242015, 290418, 338821, 387224, 419160, 484030, 580836, 677642, 726045, 968060, 1016463, 1161672, 1355284, 1452090, 1694105, 1936120, 2032926, 2710568, 2904180, 3388210, 4065852, 5082315, 5808360, 6776420, 8131704, 10164630, 13552840, 20329260, 40658520]

約数ペア:

[(1, 40658520), (2, 20329260), (3, 13552840), (4, 10164630), (5, 8131704), (6, 6776420), (7, 5808360), (8, 5082315), (10, 4065852), (12, 3388210), (14, 2904180), (15, 2710568), (20, 2032926), (21, 1936120), (24, 1694105), (28, 1452090), (30, 1355284), (35, 1161672), (40, 1016463), (42, 968060), (56, 726045), (60, 677642), (70, 580836), (84, 484030), (97, 419160), (105, 387224), (120, 338821), (140, 290418), (168, 242015), (194, 209580), (210, 193612), (280, 145209), (291, 139720), (388, 104790), (420, 96806), (485, 83832), (499, 81480), (582, 69860), (679, 59880), (776, 52395), (840, 48403), (970, 41916), (998, 40740), (1164, 34930), (1358, 29940), (1455, 27944), (1497, 27160), (1940, 20958), (1996, 20370), (2037, 19960), (2328, 17465), (2495, 16296), (2716, 14970), (2910, 13972), (2994, 13580), (3395, 11976), (3493, 11640), (3880, 10479), (3992, 10185), (4074, 9980), (4990, 8148), (5432, 7485), (5820, 6986), (5988, 6790)]