428268960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{42487}}^1$

素因数の和:42515

約数の個数: 144

約数和(自身を含む): 1670288256

約数和(自身を除く): 1242019296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 42487, 84974, 127461, 169948, 212435, 254922, 297409, 339896, 382383, 424870, 509844, 594818, 637305, 679792, 764766, 849740, 892227, 1019688, 1189636, 1274610, 1359584, 1487045, 1529532, 1699480, 1784454, 1911915, 2039376, 2379272, 2549220, 2676681, 2974090, 3059064, 3398960, 3568908, 3823830, 4078752, 4461135, 4758544, 5098440, 5353362, 5948180, 6118128, 6797920, 7137816, 7647660, 8922270, 9517088, 10196880, 10706724, 11896360, 12236256, 13383405, 14275632, 15295320, 17844540, 20393760, 21413448, 23792720, 26766810, 28551264, 30590640, 35689080, 42826896, 47585440, 53533620, 61181280, 71378160, 85653792, 107067240, 142756320, 214134480, 428268960]

約数ペア:

[(1, 428268960), (2, 214134480), (3, 142756320), (4, 107067240), (5, 85653792), (6, 71378160), (7, 61181280), (8, 53533620), (9, 47585440), (10, 42826896), (12, 35689080), (14, 30590640), (15, 28551264), (16, 26766810), (18, 23792720), (20, 21413448), (21, 20393760), (24, 17844540), (28, 15295320), (30, 14275632), (32, 13383405), (35, 12236256), (36, 11896360), (40, 10706724), (42, 10196880), (45, 9517088), (48, 8922270), (56, 7647660), (60, 7137816), (63, 6797920), (70, 6118128), (72, 5948180), (80, 5353362), (84, 5098440), (90, 4758544), (96, 4461135), (105, 4078752), (112, 3823830), (120, 3568908), (126, 3398960), (140, 3059064), (144, 2974090), (160, 2676681), (168, 2549220), (180, 2379272), (210, 2039376), (224, 1911915), (240, 1784454), (252, 1699480), (280, 1529532), (288, 1487045), (315, 1359584), (336, 1274610), (360, 1189636), (420, 1019688), (480, 892227), (504, 849740), (560, 764766), (630, 679792), (672, 637305), (720, 594818), (840, 509844), (1008, 424870), (1120, 382383), (1260, 339896), (1440, 297409), (1680, 254922), (2016, 212435), (2520, 169948), (3360, 127461), (5040, 84974), (10080, 42487)]