72554760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 243629100

約数和(自身を除く): 171074340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 109, 120, 129, 172, 180, 215, 218, 258, 327, 344, 360, 387, 430, 436, 516, 545, 645, 654, 774, 860, 872, 981, 1032, 1090, 1290, 1308, 1548, 1635, 1720, 1849, 1935, 1962, 2180, 2580, 2616, 3096, 3270, 3698, 3870, 3924, 4360, 4687, 4905, 5160, 5547, 6540, 7396, 7740, 7848, 9245, 9374, 9810, 11094, 13080, 14061, 14792, 15480, 16641, 18490, 18748, 19620, 22188, 23435, 27735, 28122, 33282, 36980, 37496, 39240, 42183, 44376, 46870, 55470, 56244, 66564, 70305, 73960, 83205, 84366, 93740, 110940, 112488, 133128, 140610, 166410, 168732, 187480, 201541, 210915, 221880, 281220, 332820, 337464, 403082, 421830, 562440, 604623, 665640, 806164, 843660, 1007705, 1209246, 1612328, 1687320, 1813869, 2015410, 2418492, 3023115, 3627738, 4030820, 4836984, 6046230, 7255476, 8061640, 9069345, 12092460, 14510952, 18138690, 24184920, 36277380, 72554760]

約数ペア:

[(1, 72554760), (2, 36277380), (3, 24184920), (4, 18138690), (5, 14510952), (6, 12092460), (8, 9069345), (9, 8061640), (10, 7255476), (12, 6046230), (15, 4836984), (18, 4030820), (20, 3627738), (24, 3023115), (30, 2418492), (36, 2015410), (40, 1813869), (43, 1687320), (45, 1612328), (60, 1209246), (72, 1007705), (86, 843660), (90, 806164), (109, 665640), (120, 604623), (129, 562440), (172, 421830), (180, 403082), (215, 337464), (218, 332820), (258, 281220), (327, 221880), (344, 210915), (360, 201541), (387, 187480), (430, 168732), (436, 166410), (516, 140610), (545, 133128), (645, 112488), (654, 110940), (774, 93740), (860, 84366), (872, 83205), (981, 73960), (1032, 70305), (1090, 66564), (1290, 56244), (1308, 55470), (1548, 46870), (1635, 44376), (1720, 42183), (1849, 39240), (1935, 37496), (1962, 36980), (2180, 33282), (2580, 28122), (2616, 27735), (3096, 23435), (3270, 22188), (3698, 19620), (3870, 18748), (3924, 18490), (4360, 16641), (4687, 15480), (4905, 14792), (5160, 14061), (5547, 13080), (6540, 11094), (7396, 9810), (7740, 9374), (7848, 9245)]