18850320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{2909}}^1$

素因数の和:2934

約数の個数: 100

約数和(自身を含む): 65492460

約数和(自身を除く): 46642140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 2909, 3240, 5818, 6480, 8727, 11636, 14545, 17454, 23272, 26181, 29090, 34908, 43635, 46544, 52362, 58180, 69816, 78543, 87270, 104724, 116360, 130905, 139632, 157086, 174540, 209448, 232720, 235629, 261810, 314172, 349080, 392715, 418896, 471258, 523620, 628344, 698160, 785430, 942516, 1047240, 1178145, 1256688, 1570860, 1885032, 2094480, 2356290, 3141720, 3770064, 4712580, 6283440, 9425160, 18850320]

約数ペア:

[(1, 18850320), (2, 9425160), (3, 6283440), (4, 4712580), (5, 3770064), (6, 3141720), (8, 2356290), (9, 2094480), (10, 1885032), (12, 1570860), (15, 1256688), (16, 1178145), (18, 1047240), (20, 942516), (24, 785430), (27, 698160), (30, 628344), (36, 523620), (40, 471258), (45, 418896), (48, 392715), (54, 349080), (60, 314172), (72, 261810), (80, 235629), (81, 232720), (90, 209448), (108, 174540), (120, 157086), (135, 139632), (144, 130905), (162, 116360), (180, 104724), (216, 87270), (240, 78543), (270, 69816), (324, 58180), (360, 52362), (405, 46544), (432, 43635), (540, 34908), (648, 29090), (720, 26181), (810, 23272), (1080, 17454), (1296, 14545), (1620, 11636), (2160, 8727), (2909, 6480), (3240, 5818)]