155955240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 256

約数和(自身を含む): 607680000

約数和(自身を除く): 451724760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 420, 421, 441, 490, 504, 540, 588, 630, 686, 735, 756, 840, 842, 882, 945, 980, 1029, 1080, 1176, 1260, 1263, 1323, 1372, 1470, 1512, 1684, 1715, 1764, 1890, 1960, 2058, 2105, 2205, 2520, 2526, 2646, 2744, 2940, 2947, 3087, 3368, 3430, 3528, 3780, 3789, 4116, 4210, 4410, 5052, 5145, 5292, 5880, 5894, 6174, 6315, 6615, 6860, 7560, 7578, 8232, 8420, 8820, 8841, 9261, 10104, 10290, 10584, 11367, 11788, 12348, 12630, 13230, 13720, 14735, 15156, 15435, 16840, 17640, 17682, 18522, 18945, 20580, 20629, 22734, 23576, 24696, 25260, 26460, 26523, 29470, 30312, 30870, 35364, 37044, 37890, 41160, 41258, 44205, 45468, 46305, 50520, 52920, 53046, 56835, 58940, 61740, 61887, 70728, 74088, 75780, 79569, 82516, 88410, 90936, 92610, 103145, 106092, 113670, 117880, 123480, 123774, 132615, 144403, 151560, 159138, 165032, 176820, 185220, 185661, 206290, 212184, 227340, 247548, 265230, 288806, 309435, 318276, 353640, 370440, 371322, 397845, 412580, 433209, 454680, 495096, 530460, 556983, 577612, 618870, 636552, 722015, 742644, 795690, 825160, 866418, 928305, 1060920, 1113966, 1155224, 1237740, 1299627, 1444030, 1485288, 1591380, 1732836, 1856610, 2166045, 2227932, 2475480, 2599254, 2784915, 2888060, 3182760, 3465672, 3713220, 3898881, 4332090, 4455864, 5198508, 5569830, 5776120, 6498135, 7426440, 7797762, 8664180, 10397016, 11139660, 12996270, 15595524, 17328360, 19494405, 22279320, 25992540, 31191048, 38988810, 51985080, 77977620, 155955240]

約数ペア:

[(1, 155955240), (2, 77977620), (3, 51985080), (4, 38988810), (5, 31191048), (6, 25992540), (7, 22279320), (8, 19494405), (9, 17328360), (10, 15595524), (12, 12996270), (14, 11139660), (15, 10397016), (18, 8664180), (20, 7797762), (21, 7426440), (24, 6498135), (27, 5776120), (28, 5569830), (30, 5198508), (35, 4455864), (36, 4332090), (40, 3898881), (42, 3713220), (45, 3465672), (49, 3182760), (54, 2888060), (56, 2784915), (60, 2599254), (63, 2475480), (70, 2227932), (72, 2166045), (84, 1856610), (90, 1732836), (98, 1591380), (105, 1485288), (108, 1444030), (120, 1299627), (126, 1237740), (135, 1155224), (140, 1113966), (147, 1060920), (168, 928305), (180, 866418), (189, 825160), (196, 795690), (210, 742644), (216, 722015), (245, 636552), (252, 618870), (270, 577612), (280, 556983), (294, 530460), (315, 495096), (343, 454680), (360, 433209), (378, 412580), (392, 397845), (420, 371322), (421, 370440), (441, 353640), (490, 318276), (504, 309435), (540, 288806), (588, 265230), (630, 247548), (686, 227340), (735, 212184), (756, 206290), (840, 185661), (842, 185220), (882, 176820), (945, 165032), (980, 159138), (1029, 151560), (1080, 144403), (1176, 132615), (1260, 123774), (1263, 123480), (1323, 117880), (1372, 113670), (1470, 106092), (1512, 103145), (1684, 92610), (1715, 90936), (1764, 88410), (1890, 82516), (1960, 79569), (2058, 75780), (2105, 74088), (2205, 70728), (2520, 61887), (2526, 61740), (2646, 58940), (2744, 56835), (2940, 53046), (2947, 52920), (3087, 50520), (3368, 46305), (3430, 45468), (3528, 44205), (3780, 41258), (3789, 41160), (4116, 37890), (4210, 37044), (4410, 35364), (5052, 30870), (5145, 30312), (5292, 29470), (5880, 26523), (5894, 26460), (6174, 25260), (6315, 24696), (6615, 23576), (6860, 22734), (7560, 20629), (7578, 20580), (8232, 18945), (8420, 18522), (8820, 17682), (8841, 17640), (9261, 16840), (10104, 15435), (10290, 15156), (10584, 14735), (11367, 13720), (11788, 13230), (12348, 12630)]