720287790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1658

約数の個数: 128

約数和(自身を含む): 1955819520

約数和(自身を除く): 1235531730

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 31, 34, 51, 58, 62, 85, 87, 93, 102, 145, 155, 170, 174, 186, 255, 290, 310, 435, 465, 493, 510, 527, 870, 899, 930, 986, 1054, 1479, 1571, 1581, 1798, 2465, 2635, 2697, 2958, 3142, 3162, 4495, 4713, 4930, 5270, 5394, 7395, 7855, 7905, 8990, 9426, 13485, 14790, 15283, 15710, 15810, 23565, 26707, 26970, 30566, 45559, 45849, 47130, 48701, 53414, 76415, 80121, 91118, 91698, 97402, 133535, 136677, 146103, 152830, 160242, 227795, 229245, 243505, 267070, 273354, 292206, 400605, 455590, 458490, 487010, 683385, 730515, 774503, 801210, 827917, 1366770, 1412329, 1461030, 1549006, 1655834, 2323509, 2483751, 2824658, 3872515, 4139585, 4236987, 4647018, 4967502, 7061645, 7745030, 8279170, 8473974, 11617545, 12418755, 14123290, 21184935, 23235090, 24009593, 24837510, 42369870, 48019186, 72028779, 120047965, 144057558, 240095930, 360143895, 720287790]

約数ペア:

[(1, 720287790), (2, 360143895), (3, 240095930), (5, 144057558), (6, 120047965), (10, 72028779), (15, 48019186), (17, 42369870), (29, 24837510), (30, 24009593), (31, 23235090), (34, 21184935), (51, 14123290), (58, 12418755), (62, 11617545), (85, 8473974), (87, 8279170), (93, 7745030), (102, 7061645), (145, 4967502), (155, 4647018), (170, 4236987), (174, 4139585), (186, 3872515), (255, 2824658), (290, 2483751), (310, 2323509), (435, 1655834), (465, 1549006), (493, 1461030), (510, 1412329), (527, 1366770), (870, 827917), (899, 801210), (930, 774503), (986, 730515), (1054, 683385), (1479, 487010), (1571, 458490), (1581, 455590), (1798, 400605), (2465, 292206), (2635, 273354), (2697, 267070), (2958, 243505), (3142, 229245), (3162, 227795), (4495, 160242), (4713, 152830), (4930, 146103), (5270, 136677), (5394, 133535), (7395, 97402), (7855, 91698), (7905, 91118), (8990, 80121), (9426, 76415), (13485, 53414), (14790, 48701), (15283, 47130), (15710, 45849), (15810, 45559), (23565, 30566), (26707, 26970)]