2165757720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{3187}}^1$

素因数の和:4017

約数の個数: 128

約数和(自身を含む): 7436966400

約数和(自身を除く): 5271208680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 809, 840, 1618, 2427, 3187, 3236, 4045, 4854, 5663, 6374, 6472, 8090, 9561, 9708, 11326, 12135, 12748, 15935, 16180, 16989, 19122, 19416, 22309, 22652, 24270, 25496, 28315, 31870, 32360, 33978, 38244, 44618, 45304, 47805, 48540, 56630, 63740, 66927, 67956, 76488, 84945, 89236, 95610, 97080, 111545, 113260, 127480, 133854, 135912, 169890, 178472, 191220, 223090, 226520, 267708, 334635, 339780, 382440, 446180, 535416, 669270, 679560, 892360, 1338540, 2578283, 2677080, 5156566, 7734849, 10313132, 12891415, 15469698, 18047981, 20626264, 25782830, 30939396, 36095962, 38674245, 51565660, 54143943, 61878792, 72191924, 77348490, 90239905, 103131320, 108287886, 144383848, 154696980, 180479810, 216575772, 270719715, 309393960, 360959620, 433151544, 541439430, 721919240, 1082878860, 2165757720]

約数ペア:

[(1, 2165757720), (2, 1082878860), (3, 721919240), (4, 541439430), (5, 433151544), (6, 360959620), (7, 309393960), (8, 270719715), (10, 216575772), (12, 180479810), (14, 154696980), (15, 144383848), (20, 108287886), (21, 103131320), (24, 90239905), (28, 77348490), (30, 72191924), (35, 61878792), (40, 54143943), (42, 51565660), (56, 38674245), (60, 36095962), (70, 30939396), (84, 25782830), (105, 20626264), (120, 18047981), (140, 15469698), (168, 12891415), (210, 10313132), (280, 7734849), (420, 5156566), (809, 2677080), (840, 2578283), (1618, 1338540), (2427, 892360), (3187, 679560), (3236, 669270), (4045, 535416), (4854, 446180), (5663, 382440), (6374, 339780), (6472, 334635), (8090, 267708), (9561, 226520), (9708, 223090), (11326, 191220), (12135, 178472), (12748, 169890), (15935, 135912), (16180, 133854), (16989, 127480), (19122, 113260), (19416, 111545), (22309, 97080), (22652, 95610), (24270, 89236), (25496, 84945), (28315, 76488), (31870, 67956), (32360, 66927), (33978, 63740), (38244, 56630), (44618, 48540), (45304, 47805)]