520400720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{967}}^1$

素因数の和:1049

約数の個数: 120

約数和(自身を含む): 1430301312

約数和(自身を除く): 909900592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 961, 967, 1085, 1240, 1736, 1922, 1934, 2170, 2480, 3472, 3844, 3868, 4340, 4805, 4835, 6727, 6769, 7688, 7736, 8680, 9610, 9670, 13454, 13538, 15376, 15472, 17360, 19220, 19340, 26908, 27076, 29977, 33635, 33845, 38440, 38680, 53816, 54152, 59954, 67270, 67690, 76880, 77360, 107632, 108304, 119908, 134540, 135380, 149885, 209839, 239816, 269080, 270760, 299770, 419678, 479632, 538160, 541520, 599540, 839356, 929287, 1049195, 1199080, 1678712, 1858574, 2098390, 2398160, 3357424, 3717148, 4196780, 4646435, 6505009, 7434296, 8393560, 9292870, 13010018, 14868592, 16787120, 18585740, 26020036, 32525045, 37171480, 52040072, 65050090, 74342960, 104080144, 130100180, 260200360, 520400720]

約数ペア:

[(1, 520400720), (2, 260200360), (4, 130100180), (5, 104080144), (7, 74342960), (8, 65050090), (10, 52040072), (14, 37171480), (16, 32525045), (20, 26020036), (28, 18585740), (31, 16787120), (35, 14868592), (40, 13010018), (56, 9292870), (62, 8393560), (70, 7434296), (80, 6505009), (112, 4646435), (124, 4196780), (140, 3717148), (155, 3357424), (217, 2398160), (248, 2098390), (280, 1858574), (310, 1678712), (434, 1199080), (496, 1049195), (560, 929287), (620, 839356), (868, 599540), (961, 541520), (967, 538160), (1085, 479632), (1240, 419678), (1736, 299770), (1922, 270760), (1934, 269080), (2170, 239816), (2480, 209839), (3472, 149885), (3844, 135380), (3868, 134540), (4340, 119908), (4805, 108304), (4835, 107632), (6727, 77360), (6769, 76880), (7688, 67690), (7736, 67270), (8680, 59954), (9610, 54152), (9670, 53816), (13454, 38680), (13538, 38440), (15376, 33845), (15472, 33635), (17360, 29977), (19220, 27076), (19340, 26908)]