2019688020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{178103}}^1$

素因数の和:178131

約数の個数: 120

約数和(自身を含む): 7240996224

約数和(自身を除く): 5221308204

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, 3780, 5670, 11340, 178103, 356206, 534309, 712412, 890515, 1068618, 1246721, 1602927, 1781030, 2137236, 2493442, 2671545, 3205854, 3562060, 3740163, 4808781, 4986884, 5343090, 6233605, 6411708, 7480326, 8014635, 9617562, 10686180, 11220489, 12467210, 14426343, 14960652, 16029270, 18700815, 19235124, 22440978, 24043905, 24934420, 28852686, 32058540, 33661467, 37401630, 44881956, 48087810, 56102445, 57705372, 67322934, 72131715, 74803260, 96175620, 100984401, 112204890, 134645868, 144263430, 168307335, 201968802, 224409780, 288526860, 336614670, 403937604, 504922005, 673229340, 1009844010, 2019688020]

約数ペア:

[(1, 2019688020), (2, 1009844010), (3, 673229340), (4, 504922005), (5, 403937604), (6, 336614670), (7, 288526860), (9, 224409780), (10, 201968802), (12, 168307335), (14, 144263430), (15, 134645868), (18, 112204890), (20, 100984401), (21, 96175620), (27, 74803260), (28, 72131715), (30, 67322934), (35, 57705372), (36, 56102445), (42, 48087810), (45, 44881956), (54, 37401630), (60, 33661467), (63, 32058540), (70, 28852686), (81, 24934420), (84, 24043905), (90, 22440978), (105, 19235124), (108, 18700815), (126, 16029270), (135, 14960652), (140, 14426343), (162, 12467210), (180, 11220489), (189, 10686180), (210, 9617562), (252, 8014635), (270, 7480326), (315, 6411708), (324, 6233605), (378, 5343090), (405, 4986884), (420, 4808781), (540, 3740163), (567, 3562060), (630, 3205854), (756, 2671545), (810, 2493442), (945, 2137236), (1134, 1781030), (1260, 1602927), (1620, 1246721), (1890, 1068618), (2268, 890515), (2835, 712412), (3780, 534309), (5670, 356206), (11340, 178103)]