280191240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{111187}}^1$

素因数の和:111211

約数の個数: 96

約数和(自身を含む): 1040719680

約数和(自身を除く): 760528440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 111187, 222374, 333561, 444748, 555935, 667122, 778309, 889496, 1000683, 1111870, 1334244, 1556618, 1667805, 2001366, 2223740, 2334927, 2668488, 3113236, 3335610, 3891545, 4002732, 4447480, 4669854, 5003415, 6226472, 6671220, 7004781, 7783090, 8005464, 9339708, 10006830, 11674635, 13342440, 14009562, 15566180, 18679416, 20013660, 23349270, 28019124, 31132360, 35023905, 40027320, 46698540, 56038248, 70047810, 93397080, 140095620, 280191240]

約数ペア:

[(1, 280191240), (2, 140095620), (3, 93397080), (4, 70047810), (5, 56038248), (6, 46698540), (7, 40027320), (8, 35023905), (9, 31132360), (10, 28019124), (12, 23349270), (14, 20013660), (15, 18679416), (18, 15566180), (20, 14009562), (21, 13342440), (24, 11674635), (28, 10006830), (30, 9339708), (35, 8005464), (36, 7783090), (40, 7004781), (42, 6671220), (45, 6226472), (56, 5003415), (60, 4669854), (63, 4447480), (70, 4002732), (72, 3891545), (84, 3335610), (90, 3113236), (105, 2668488), (120, 2334927), (126, 2223740), (140, 2001366), (168, 1667805), (180, 1556618), (210, 1334244), (252, 1111870), (280, 1000683), (315, 889496), (360, 778309), (420, 667122), (504, 555935), (630, 444748), (840, 333561), (1260, 222374), (2520, 111187)]