71812020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8999}}^1$

素因数の和:9037

約数の個数: 96

約数和(自身を含む): 241920000

約数和(自身を除く): 170107980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 8999, 17998, 26997, 35996, 44995, 53994, 62993, 89990, 107988, 125986, 134985, 170981, 179980, 188979, 251972, 269970, 314965, 341962, 377958, 512943, 539940, 629930, 683924, 755916, 854905, 944895, 1025886, 1196867, 1259860, 1709810, 1889790, 2051772, 2393734, 2564715, 3419620, 3590601, 3779580, 4787468, 5129430, 5984335, 7181202, 10258860, 11968670, 14362404, 17953005, 23937340, 35906010, 71812020]

約数ペア:

[(1, 71812020), (2, 35906010), (3, 23937340), (4, 17953005), (5, 14362404), (6, 11968670), (7, 10258860), (10, 7181202), (12, 5984335), (14, 5129430), (15, 4787468), (19, 3779580), (20, 3590601), (21, 3419620), (28, 2564715), (30, 2393734), (35, 2051772), (38, 1889790), (42, 1709810), (57, 1259860), (60, 1196867), (70, 1025886), (76, 944895), (84, 854905), (95, 755916), (105, 683924), (114, 629930), (133, 539940), (140, 512943), (190, 377958), (210, 341962), (228, 314965), (266, 269970), (285, 251972), (380, 188979), (399, 179980), (420, 170981), (532, 134985), (570, 125986), (665, 107988), (798, 89990), (1140, 62993), (1330, 53994), (1596, 44995), (1995, 35996), (2660, 26997), (3990, 17998), (7980, 8999)]