8416240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 24172560

約数和(自身を除く): 15756320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 113, 133, 140, 152, 190, 196, 226, 245, 266, 280, 304, 380, 392, 452, 490, 532, 560, 565, 665, 760, 784, 791, 904, 931, 980, 1064, 1130, 1330, 1520, 1582, 1808, 1862, 1960, 2128, 2147, 2260, 2660, 3164, 3724, 3920, 3955, 4294, 4520, 4655, 5320, 5537, 6328, 7448, 7910, 8588, 9040, 9310, 10640, 10735, 11074, 12656, 14896, 15029, 15820, 17176, 18620, 21470, 22148, 27685, 30058, 31640, 34352, 37240, 42940, 44296, 55370, 60116, 63280, 74480, 75145, 85880, 88592, 105203, 110740, 120232, 150290, 171760, 210406, 221480, 240464, 300580, 420812, 442960, 526015, 601160, 841624, 1052030, 1202320, 1683248, 2104060, 4208120, 8416240]

約数ペア:

[(1, 8416240), (2, 4208120), (4, 2104060), (5, 1683248), (7, 1202320), (8, 1052030), (10, 841624), (14, 601160), (16, 526015), (19, 442960), (20, 420812), (28, 300580), (35, 240464), (38, 221480), (40, 210406), (49, 171760), (56, 150290), (70, 120232), (76, 110740), (80, 105203), (95, 88592), (98, 85880), (112, 75145), (113, 74480), (133, 63280), (140, 60116), (152, 55370), (190, 44296), (196, 42940), (226, 37240), (245, 34352), (266, 31640), (280, 30058), (304, 27685), (380, 22148), (392, 21470), (452, 18620), (490, 17176), (532, 15820), (560, 15029), (565, 14896), (665, 12656), (760, 11074), (784, 10735), (791, 10640), (904, 9310), (931, 9040), (980, 8588), (1064, 7910), (1130, 7448), (1330, 6328), (1520, 5537), (1582, 5320), (1808, 4655), (1862, 4520), (1960, 4294), (2128, 3955), (2147, 3920), (2260, 3724), (2660, 3164)]