28049220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 88166400

約数和(自身を除く): 60117180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 127, 135, 180, 254, 270, 381, 409, 508, 540, 635, 762, 818, 1143, 1227, 1270, 1524, 1636, 1905, 2045, 2286, 2454, 2540, 3429, 3681, 3810, 4090, 4572, 4908, 5715, 6135, 6858, 7362, 7620, 8180, 11043, 11430, 12270, 13716, 14724, 17145, 18405, 22086, 22860, 24540, 34290, 36810, 44172, 51943, 55215, 68580, 73620, 103886, 110430, 155829, 207772, 220860, 259715, 311658, 467487, 519430, 623316, 779145, 934974, 1038860, 1402461, 1558290, 1869948, 2337435, 2804922, 3116580, 4674870, 5609844, 7012305, 9349740, 14024610, 28049220]

約数ペア:

[(1, 28049220), (2, 14024610), (3, 9349740), (4, 7012305), (5, 5609844), (6, 4674870), (9, 3116580), (10, 2804922), (12, 2337435), (15, 1869948), (18, 1558290), (20, 1402461), (27, 1038860), (30, 934974), (36, 779145), (45, 623316), (54, 519430), (60, 467487), (90, 311658), (108, 259715), (127, 220860), (135, 207772), (180, 155829), (254, 110430), (270, 103886), (381, 73620), (409, 68580), (508, 55215), (540, 51943), (635, 44172), (762, 36810), (818, 34290), (1143, 24540), (1227, 22860), (1270, 22086), (1524, 18405), (1636, 17145), (1905, 14724), (2045, 13716), (2286, 12270), (2454, 11430), (2540, 11043), (3429, 8180), (3681, 7620), (3810, 7362), (4090, 6858), (4572, 6135), (4908, 5715)]