280132020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{3529}}^1$

素因数の和:3564

約数の個数: 180

約数和(自身を含む): 1022549220

約数和(自身を除く): 742417200

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3529, 3780, 3969, 4410, 5292, 5670, 6615, 7058, 7938, 8820, 10587, 11340, 13230, 14116, 15876, 17645, 19845, 21174, 24703, 26460, 31761, 35290, 39690, 42348, 49406, 52935, 63522, 70580, 74109, 79380, 95283, 98812, 105870, 123515, 127044, 148218, 158805, 172921, 190566, 211740, 222327, 247030, 285849, 296436, 317610, 345842, 370545, 381132, 444654, 476415, 494060, 518763, 571698, 635220, 666981, 691684, 741090, 864605, 889308, 952830, 1037526, 1111635, 1143396, 1333962, 1429245, 1482180, 1556289, 1729210, 1905660, 2000943, 2075052, 2223270, 2593815, 2667924, 2858490, 3112578, 3334905, 3458420, 4001886, 4446540, 4668867, 5187630, 5716980, 6225156, 6669810, 7781445, 8003772, 9337734, 10004715, 10375260, 13339620, 14006601, 15562890, 18675468, 20009430, 23344335, 28013202, 31125780, 40018860, 46688670, 56026404, 70033005, 93377340, 140066010, 280132020]

約数ペア:

[(1, 280132020), (2, 140066010), (3, 93377340), (4, 70033005), (5, 56026404), (6, 46688670), (7, 40018860), (9, 31125780), (10, 28013202), (12, 23344335), (14, 20009430), (15, 18675468), (18, 15562890), (20, 14006601), (21, 13339620), (27, 10375260), (28, 10004715), (30, 9337734), (35, 8003772), (36, 7781445), (42, 6669810), (45, 6225156), (49, 5716980), (54, 5187630), (60, 4668867), (63, 4446540), (70, 4001886), (81, 3458420), (84, 3334905), (90, 3112578), (98, 2858490), (105, 2667924), (108, 2593815), (126, 2223270), (135, 2075052), (140, 2000943), (147, 1905660), (162, 1729210), (180, 1556289), (189, 1482180), (196, 1429245), (210, 1333962), (245, 1143396), (252, 1111635), (270, 1037526), (294, 952830), (315, 889308), (324, 864605), (378, 741090), (405, 691684), (420, 666981), (441, 635220), (490, 571698), (540, 518763), (567, 494060), (588, 476415), (630, 444654), (735, 381132), (756, 370545), (810, 345842), (882, 317610), (945, 296436), (980, 285849), (1134, 247030), (1260, 222327), (1323, 211740), (1470, 190566), (1620, 172921), (1764, 158805), (1890, 148218), (2205, 127044), (2268, 123515), (2646, 105870), (2835, 98812), (2940, 95283), (3529, 79380), (3780, 74109), (3969, 70580), (4410, 63522), (5292, 52935), (5670, 49406), (6615, 42348), (7058, 39690), (7938, 35290), (8820, 31761), (10587, 26460), (11340, 24703), (13230, 21174), (14116, 19845), (15876, 17645)]