40018860

素因数分解:

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

素因数の和:3557

約数の個数: 120

約数和(自身を含む): 143515680

約数和(自身を除く): 103496820

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3529, 3780, 5670, 7058, 10587, 11340, 14116, 17645, 21174, 24703, 31761, 35290, 42348, 49406, 52935, 63522, 70580, 74109, 95283, 98812, 105870, 123515, 127044, 148218, 158805, 190566, 211740, 222327, 247030, 285849, 296436, 317610, 370545, 381132, 444654, 476415, 494060, 571698, 635220, 666981, 741090, 889308, 952830, 1111635, 1143396, 1333962, 1429245, 1482180, 1905660, 2000943, 2223270, 2667924, 2858490, 3334905, 4001886, 4446540, 5716980, 6669810, 8003772, 10004715, 13339620, 20009430, 40018860]

約数ペア:

[(1, 40018860), (2, 20009430), (3, 13339620), (4, 10004715), (5, 8003772), (6, 6669810), (7, 5716980), (9, 4446540), (10, 4001886), (12, 3334905), (14, 2858490), (15, 2667924), (18, 2223270), (20, 2000943), (21, 1905660), (27, 1482180), (28, 1429245), (30, 1333962), (35, 1143396), (36, 1111635), (42, 952830), (45, 889308), (54, 741090), (60, 666981), (63, 635220), (70, 571698), (81, 494060), (84, 476415), (90, 444654), (105, 381132), (108, 370545), (126, 317610), (135, 296436), (140, 285849), (162, 247030), (180, 222327), (189, 211740), (210, 190566), (252, 158805), (270, 148218), (315, 127044), (324, 123515), (378, 105870), (405, 98812), (420, 95283), (540, 74109), (567, 70580), (630, 63522), (756, 52935), (810, 49406), (945, 42348), (1134, 35290), (1260, 31761), (1620, 24703), (1890, 21174), (2268, 17645), (2835, 14116), (3529, 11340), (3780, 10587), (5670, 7058)]