18245440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 47256192

約数和(自身を除く): 29010752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 67, 74, 80, 92, 115, 134, 148, 160, 184, 185, 230, 268, 296, 320, 335, 368, 370, 460, 536, 592, 670, 736, 740, 851, 920, 1072, 1184, 1340, 1472, 1480, 1541, 1702, 1840, 2144, 2368, 2479, 2680, 2960, 3082, 3404, 3680, 4255, 4288, 4958, 5360, 5920, 6164, 6808, 7360, 7705, 8510, 9916, 10720, 11840, 12328, 12395, 13616, 15410, 17020, 19832, 21440, 24656, 24790, 27232, 30820, 34040, 39664, 49312, 49580, 54464, 57017, 61640, 68080, 79328, 98624, 99160, 114034, 123280, 136160, 158656, 198320, 228068, 246560, 272320, 285085, 396640, 456136, 493120, 570170, 793280, 912272, 1140340, 1824544, 2280680, 3649088, 4561360, 9122720, 18245440]

約数ペア:

[(1, 18245440), (2, 9122720), (4, 4561360), (5, 3649088), (8, 2280680), (10, 1824544), (16, 1140340), (20, 912272), (23, 793280), (32, 570170), (37, 493120), (40, 456136), (46, 396640), (64, 285085), (67, 272320), (74, 246560), (80, 228068), (92, 198320), (115, 158656), (134, 136160), (148, 123280), (160, 114034), (184, 99160), (185, 98624), (230, 79328), (268, 68080), (296, 61640), (320, 57017), (335, 54464), (368, 49580), (370, 49312), (460, 39664), (536, 34040), (592, 30820), (670, 27232), (736, 24790), (740, 24656), (851, 21440), (920, 19832), (1072, 17020), (1184, 15410), (1340, 13616), (1472, 12395), (1480, 12328), (1541, 11840), (1702, 10720), (1840, 9916), (2144, 8510), (2368, 7705), (2479, 7360), (2680, 6808), (2960, 6164), (3082, 5920), (3404, 5360), (3680, 4958), (4255, 4288)]