71378160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42487}}^1$

素因数の和:42510

約数の個数: 80

約数和(自身を含む): 252888576

約数和(自身を除く): 181510416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42487, 84974, 127461, 169948, 212435, 254922, 297409, 339896, 424870, 509844, 594818, 637305, 679792, 849740, 892227, 1019688, 1189636, 1274610, 1487045, 1699480, 1784454, 2039376, 2379272, 2549220, 2974090, 3398960, 3568908, 4461135, 4758544, 5098440, 5948180, 7137816, 8922270, 10196880, 11896360, 14275632, 17844540, 23792720, 35689080, 71378160]

約数ペア:

[(1, 71378160), (2, 35689080), (3, 23792720), (4, 17844540), (5, 14275632), (6, 11896360), (7, 10196880), (8, 8922270), (10, 7137816), (12, 5948180), (14, 5098440), (15, 4758544), (16, 4461135), (20, 3568908), (21, 3398960), (24, 2974090), (28, 2549220), (30, 2379272), (35, 2039376), (40, 1784454), (42, 1699480), (48, 1487045), (56, 1274610), (60, 1189636), (70, 1019688), (80, 892227), (84, 849740), (105, 679792), (112, 637305), (120, 594818), (140, 509844), (168, 424870), (210, 339896), (240, 297409), (280, 254922), (336, 212435), (420, 169948), (560, 127461), (840, 84974), (1680, 42487)]