18488160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 64982736

約数和(自身を除く): 46494576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 347, 360, 370, 444, 480, 555, 592, 666, 694, 720, 740, 888, 1041, 1110, 1184, 1332, 1388, 1440, 1480, 1665, 1735, 1776, 2082, 2220, 2664, 2776, 2960, 3123, 3330, 3470, 3552, 4164, 4440, 5205, 5328, 5552, 5920, 6246, 6660, 6940, 8328, 8880, 10410, 10656, 11104, 12492, 12839, 13320, 13880, 15615, 16656, 17760, 20820, 24984, 25678, 26640, 27760, 31230, 33312, 38517, 41640, 49968, 51356, 53280, 55520, 62460, 64195, 77034, 83280, 99936, 102712, 115551, 124920, 128390, 154068, 166560, 192585, 205424, 231102, 249840, 256780, 308136, 385170, 410848, 462204, 499680, 513560, 577755, 616272, 770340, 924408, 1027120, 1155510, 1232544, 1540680, 1848816, 2054240, 2311020, 3081360, 3697632, 4622040, 6162720, 9244080, 18488160]

約数ペア:

[(1, 18488160), (2, 9244080), (3, 6162720), (4, 4622040), (5, 3697632), (6, 3081360), (8, 2311020), (9, 2054240), (10, 1848816), (12, 1540680), (15, 1232544), (16, 1155510), (18, 1027120), (20, 924408), (24, 770340), (30, 616272), (32, 577755), (36, 513560), (37, 499680), (40, 462204), (45, 410848), (48, 385170), (60, 308136), (72, 256780), (74, 249840), (80, 231102), (90, 205424), (96, 192585), (111, 166560), (120, 154068), (144, 128390), (148, 124920), (160, 115551), (180, 102712), (185, 99936), (222, 83280), (240, 77034), (288, 64195), (296, 62460), (333, 55520), (347, 53280), (360, 51356), (370, 49968), (444, 41640), (480, 38517), (555, 33312), (592, 31230), (666, 27760), (694, 26640), (720, 25678), (740, 24984), (888, 20820), (1041, 17760), (1110, 16656), (1184, 15615), (1332, 13880), (1388, 13320), (1440, 12839), (1480, 12492), (1665, 11104), (1735, 10656), (1776, 10410), (2082, 8880), (2220, 8328), (2664, 6940), (2776, 6660), (2960, 6246), (3123, 5920), (3330, 5552), (3470, 5328), (3552, 5205), (4164, 4440)]