280688880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1217}}^1$

素因数の和:1295

約数の個数: 120

約数和(自身を含む): 899848656

約数和(自身を除く): 619159776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 961, 1217, 1240, 1488, 1860, 1922, 2434, 2480, 2883, 3651, 3720, 3844, 4805, 4868, 5766, 6085, 7302, 7440, 7688, 9610, 9736, 11532, 12170, 14415, 14604, 15376, 18255, 19220, 19472, 23064, 24340, 28830, 29208, 36510, 37727, 38440, 46128, 48680, 57660, 58416, 73020, 75454, 76880, 97360, 113181, 115320, 146040, 150908, 188635, 226362, 230640, 292080, 301816, 377270, 452724, 565905, 603632, 754540, 905448, 1131810, 1169537, 1509080, 1810896, 2263620, 2339074, 3018160, 3508611, 4527240, 4678148, 5847685, 7017222, 9054480, 9356296, 11695370, 14034444, 17543055, 18712592, 23390740, 28068888, 35086110, 46781480, 56137776, 70172220, 93562960, 140344440, 280688880]

約数ペア:

[(1, 280688880), (2, 140344440), (3, 93562960), (4, 70172220), (5, 56137776), (6, 46781480), (8, 35086110), (10, 28068888), (12, 23390740), (15, 18712592), (16, 17543055), (20, 14034444), (24, 11695370), (30, 9356296), (31, 9054480), (40, 7017222), (48, 5847685), (60, 4678148), (62, 4527240), (80, 3508611), (93, 3018160), (120, 2339074), (124, 2263620), (155, 1810896), (186, 1509080), (240, 1169537), (248, 1131810), (310, 905448), (372, 754540), (465, 603632), (496, 565905), (620, 452724), (744, 377270), (930, 301816), (961, 292080), (1217, 230640), (1240, 226362), (1488, 188635), (1860, 150908), (1922, 146040), (2434, 115320), (2480, 113181), (2883, 97360), (3651, 76880), (3720, 75454), (3844, 73020), (4805, 58416), (4868, 57660), (5766, 48680), (6085, 46128), (7302, 38440), (7440, 37727), (7688, 36510), (9610, 29208), (9736, 28830), (11532, 24340), (12170, 23064), (14415, 19472), (14604, 19220), (15376, 18255)]