81955740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 260467200

約数和(自身を除く): 178511460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 37, 38, 57, 58, 60, 67, 74, 76, 87, 95, 111, 114, 116, 134, 145, 148, 174, 185, 190, 201, 222, 228, 268, 285, 290, 335, 348, 370, 380, 402, 435, 444, 551, 555, 570, 580, 670, 703, 740, 804, 870, 1005, 1073, 1102, 1110, 1140, 1273, 1340, 1406, 1653, 1740, 1943, 2010, 2109, 2146, 2204, 2220, 2479, 2546, 2755, 2812, 3219, 3306, 3515, 3819, 3886, 4020, 4218, 4292, 4958, 5092, 5365, 5510, 5829, 6365, 6438, 6612, 7030, 7437, 7638, 7772, 8265, 8436, 9715, 9916, 10545, 10730, 11020, 11658, 12395, 12730, 12876, 14060, 14874, 15276, 16095, 16530, 19095, 19430, 20387, 21090, 21460, 23316, 24790, 25460, 29145, 29748, 32190, 33060, 36917, 37185, 38190, 38860, 40774, 42180, 47101, 49580, 58290, 61161, 64380, 71891, 73834, 74370, 76380, 81548, 94202, 101935, 110751, 116580, 122322, 141303, 143782, 147668, 148740, 184585, 188404, 203870, 215673, 221502, 235505, 244644, 282606, 287564, 305805, 359455, 369170, 407740, 431346, 443004, 471010, 553755, 565212, 611610, 706515, 718910, 738340, 862692, 942020, 1078365, 1107510, 1223220, 1365929, 1413030, 1437820, 2156730, 2215020, 2731858, 2826060, 4097787, 4313460, 5463716, 6829645, 8195574, 13659290, 16391148, 20488935, 27318580, 40977870, 81955740]

約数ペア:

[(1, 81955740), (2, 40977870), (3, 27318580), (4, 20488935), (5, 16391148), (6, 13659290), (10, 8195574), (12, 6829645), (15, 5463716), (19, 4313460), (20, 4097787), (29, 2826060), (30, 2731858), (37, 2215020), (38, 2156730), (57, 1437820), (58, 1413030), (60, 1365929), (67, 1223220), (74, 1107510), (76, 1078365), (87, 942020), (95, 862692), (111, 738340), (114, 718910), (116, 706515), (134, 611610), (145, 565212), (148, 553755), (174, 471010), (185, 443004), (190, 431346), (201, 407740), (222, 369170), (228, 359455), (268, 305805), (285, 287564), (290, 282606), (335, 244644), (348, 235505), (370, 221502), (380, 215673), (402, 203870), (435, 188404), (444, 184585), (551, 148740), (555, 147668), (570, 143782), (580, 141303), (670, 122322), (703, 116580), (740, 110751), (804, 101935), (870, 94202), (1005, 81548), (1073, 76380), (1102, 74370), (1110, 73834), (1140, 71891), (1273, 64380), (1340, 61161), (1406, 58290), (1653, 49580), (1740, 47101), (1943, 42180), (2010, 40774), (2109, 38860), (2146, 38190), (2204, 37185), (2220, 36917), (2479, 33060), (2546, 32190), (2755, 29748), (2812, 29145), (3219, 25460), (3306, 24790), (3515, 23316), (3819, 21460), (3886, 21090), (4020, 20387), (4218, 19430), (4292, 19095), (4958, 16530), (5092, 16095), (5365, 15276), (5510, 14874), (5829, 14060), (6365, 12876), (6438, 12730), (6612, 12395), (7030, 11658), (7437, 11020), (7638, 10730), (7772, 10545), (8265, 9916), (8436, 9715)]