81550440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1007

約数の個数: 96

約数和(自身を含む): 266198400

約数和(自身を除く): 184647960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 359, 360, 631, 718, 1077, 1262, 1436, 1795, 1893, 2154, 2524, 2872, 3155, 3231, 3590, 3786, 4308, 5048, 5385, 5679, 6310, 6462, 7180, 7572, 8616, 9465, 10770, 11358, 12620, 12924, 14360, 15144, 16155, 18930, 21540, 22716, 25240, 25848, 28395, 32310, 37860, 43080, 45432, 56790, 64620, 75720, 113580, 129240, 226529, 227160, 453058, 679587, 906116, 1132645, 1359174, 1812232, 2038761, 2265290, 2718348, 3397935, 4077522, 4530580, 5436696, 6795870, 8155044, 9061160, 10193805, 13591740, 16310088, 20387610, 27183480, 40775220, 81550440]

約数ペア:

[(1, 81550440), (2, 40775220), (3, 27183480), (4, 20387610), (5, 16310088), (6, 13591740), (8, 10193805), (9, 9061160), (10, 8155044), (12, 6795870), (15, 5436696), (18, 4530580), (20, 4077522), (24, 3397935), (30, 2718348), (36, 2265290), (40, 2038761), (45, 1812232), (60, 1359174), (72, 1132645), (90, 906116), (120, 679587), (180, 453058), (359, 227160), (360, 226529), (631, 129240), (718, 113580), (1077, 75720), (1262, 64620), (1436, 56790), (1795, 45432), (1893, 43080), (2154, 37860), (2524, 32310), (2872, 28395), (3155, 25848), (3231, 25240), (3590, 22716), (3786, 21540), (4308, 18930), (5048, 16155), (5385, 15144), (5679, 14360), (6310, 12924), (6462, 12620), (7180, 11358), (7572, 10770), (8616, 9465)]