2021343240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1447}}^1\times {\mathrm{1663}}^1$

素因数の和:3131

約数の個数: 128

約数和(自身を含む): 6939279360

約数和(自身を除く): 4917936120

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, 840, 1447, 1663, 2894, 3326, 4341, 4989, 5788, 6652, 7235, 8315, 8682, 9978, 10129, 11576, 11641, 13304, 14470, 16630, 17364, 19956, 20258, 21705, 23282, 24945, 28940, 30387, 33260, 34728, 34923, 39912, 40516, 43410, 46564, 49890, 50645, 57880, 58205, 60774, 66520, 69846, 81032, 86820, 93128, 99780, 101290, 116410, 121548, 139692, 151935, 173640, 174615, 199560, 202580, 232820, 243096, 279384, 303870, 349230, 405160, 465640, 607740, 698460, 1215480, 1396920, 2406361, 4812722, 7219083, 9625444, 12031805, 14438166, 16844527, 19250888, 24063610, 28876332, 33689054, 36095415, 48127220, 50533581, 57752664, 67378108, 72190830, 84222635, 96254440, 101067162, 134756216, 144381660, 168445270, 202134324, 252667905, 288763320, 336890540, 404268648, 505335810, 673781080, 1010671620, 2021343240]

約数ペア:

[(1, 2021343240), (2, 1010671620), (3, 673781080), (4, 505335810), (5, 404268648), (6, 336890540), (7, 288763320), (8, 252667905), (10, 202134324), (12, 168445270), (14, 144381660), (15, 134756216), (20, 101067162), (21, 96254440), (24, 84222635), (28, 72190830), (30, 67378108), (35, 57752664), (40, 50533581), (42, 48127220), (56, 36095415), (60, 33689054), (70, 28876332), (84, 24063610), (105, 19250888), (120, 16844527), (140, 14438166), (168, 12031805), (210, 9625444), (280, 7219083), (420, 4812722), (840, 2406361), (1447, 1396920), (1663, 1215480), (2894, 698460), (3326, 607740), (4341, 465640), (4989, 405160), (5788, 349230), (6652, 303870), (7235, 279384), (8315, 243096), (8682, 232820), (9978, 202580), (10129, 199560), (11576, 174615), (11641, 173640), (13304, 151935), (14470, 139692), (16630, 121548), (17364, 116410), (19956, 101290), (20258, 99780), (21705, 93128), (23282, 86820), (24945, 81032), (28940, 69846), (30387, 66520), (33260, 60774), (34728, 58205), (34923, 57880), (39912, 50645), (40516, 49890), (43410, 46564)]