20215723080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{103289}}^1$

素因数の和:103543

約数の個数: 128

約数和(自身を含む): 69609196800

約数和(自身を除く): 49393473720

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, 233, 280, 420, 466, 699, 840, 932, 1165, 1398, 1631, 1864, 2330, 2796, 3262, 3495, 4660, 4893, 5592, 6524, 6990, 8155, 9320, 9786, 13048, 13980, 16310, 19572, 24465, 27960, 32620, 39144, 48930, 65240, 97860, 103289, 195720, 206578, 309867, 413156, 516445, 619734, 723023, 826312, 1032890, 1239468, 1446046, 1549335, 2065780, 2169069, 2478936, 2892092, 3098670, 3615115, 4131560, 4338138, 5784184, 6197340, 7230230, 8676276, 10845345, 12394680, 14460460, 17352552, 21690690, 24066337, 28920920, 43381380, 48132674, 72199011, 86762760, 96265348, 120331685, 144398022, 168464359, 192530696, 240663370, 288796044, 336928718, 360995055, 481326740, 505393077, 577592088, 673857436, 721990110, 842321795, 962653480, 1010786154, 1347714872, 1443980220, 1684643590, 2021572308, 2526965385, 2887960440, 3369287180, 4043144616, 5053930770, 6738574360, 10107861540, 20215723080]

約数ペア:

[(1, 20215723080), (2, 10107861540), (3, 6738574360), (4, 5053930770), (5, 4043144616), (6, 3369287180), (7, 2887960440), (8, 2526965385), (10, 2021572308), (12, 1684643590), (14, 1443980220), (15, 1347714872), (20, 1010786154), (21, 962653480), (24, 842321795), (28, 721990110), (30, 673857436), (35, 577592088), (40, 505393077), (42, 481326740), (56, 360995055), (60, 336928718), (70, 288796044), (84, 240663370), (105, 192530696), (120, 168464359), (140, 144398022), (168, 120331685), (210, 96265348), (233, 86762760), (280, 72199011), (420, 48132674), (466, 43381380), (699, 28920920), (840, 24066337), (932, 21690690), (1165, 17352552), (1398, 14460460), (1631, 12394680), (1864, 10845345), (2330, 8676276), (2796, 7230230), (3262, 6197340), (3495, 5784184), (4660, 4338138), (4893, 4131560), (5592, 3615115), (6524, 3098670), (6990, 2892092), (8155, 2478936), (9320, 2169069), (9786, 2065780), (13048, 1549335), (13980, 1446046), (16310, 1239468), (19572, 1032890), (24465, 826312), (27960, 723023), (32620, 619734), (39144, 516445), (48930, 413156), (65240, 309867), (97860, 206578), (103289, 195720)]