81479520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{6287}}^1$

素因数の和:6314

約数の個数: 120

約数和(自身を含む): 287600544

約数和(自身を除く): 206121024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6287, 6480, 12574, 12960, 18861, 25148, 31435, 37722, 50296, 56583, 62870, 75444, 94305, 100592, 113166, 125740, 150888, 169749, 188610, 201184, 226332, 251480, 282915, 301776, 339498, 377220, 452664, 502960, 509247, 565830, 603552, 678996, 754440, 848745, 905328, 1005920, 1018494, 1131660, 1357992, 1508880, 1697490, 1810656, 2036988, 2263320, 2546235, 2715984, 3017760, 3394980, 4073976, 4526640, 5092470, 5431968, 6789960, 8147952, 9053280, 10184940, 13579920, 16295904, 20369880, 27159840, 40739760, 81479520]

約数ペア:

[(1, 81479520), (2, 40739760), (3, 27159840), (4, 20369880), (5, 16295904), (6, 13579920), (8, 10184940), (9, 9053280), (10, 8147952), (12, 6789960), (15, 5431968), (16, 5092470), (18, 4526640), (20, 4073976), (24, 3394980), (27, 3017760), (30, 2715984), (32, 2546235), (36, 2263320), (40, 2036988), (45, 1810656), (48, 1697490), (54, 1508880), (60, 1357992), (72, 1131660), (80, 1018494), (81, 1005920), (90, 905328), (96, 848745), (108, 754440), (120, 678996), (135, 603552), (144, 565830), (160, 509247), (162, 502960), (180, 452664), (216, 377220), (240, 339498), (270, 301776), (288, 282915), (324, 251480), (360, 226332), (405, 201184), (432, 188610), (480, 169749), (540, 150888), (648, 125740), (720, 113166), (810, 100592), (864, 94305), (1080, 75444), (1296, 62870), (1440, 56583), (1620, 50296), (2160, 37722), (2592, 31435), (3240, 25148), (4320, 18861), (6287, 12960), (6480, 12574)]