18649440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1439}}^1$

素因数の和:1466

約数の個数: 120

約数和(自身を含む): 65862720

約数和(自身を除く): 47213280

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, 1439, 1440, 1620, 2160, 2592, 2878, 3240, 4317, 4320, 5756, 6480, 7195, 8634, 11512, 12951, 12960, 14390, 17268, 21585, 23024, 25902, 28780, 34536, 38853, 43170, 46048, 51804, 57560, 64755, 69072, 77706, 86340, 103608, 115120, 116559, 129510, 138144, 155412, 172680, 194265, 207216, 230240, 233118, 259020, 310824, 345360, 388530, 414432, 466236, 518040, 582795, 621648, 690720, 777060, 932472, 1036080, 1165590, 1243296, 1554120, 1864944, 2072160, 2331180, 3108240, 3729888, 4662360, 6216480, 9324720, 18649440]

約数ペア:

[(1, 18649440), (2, 9324720), (3, 6216480), (4, 4662360), (5, 3729888), (6, 3108240), (8, 2331180), (9, 2072160), (10, 1864944), (12, 1554120), (15, 1243296), (16, 1165590), (18, 1036080), (20, 932472), (24, 777060), (27, 690720), (30, 621648), (32, 582795), (36, 518040), (40, 466236), (45, 414432), (48, 388530), (54, 345360), (60, 310824), (72, 259020), (80, 233118), (81, 230240), (90, 207216), (96, 194265), (108, 172680), (120, 155412), (135, 138144), (144, 129510), (160, 116559), (162, 115120), (180, 103608), (216, 86340), (240, 77706), (270, 69072), (288, 64755), (324, 57560), (360, 51804), (405, 46048), (432, 43170), (480, 38853), (540, 34536), (648, 28780), (720, 25902), (810, 23024), (864, 21585), (1080, 17268), (1296, 14390), (1439, 12960), (1440, 12951), (1620, 11512), (2160, 8634), (2592, 7195), (2878, 6480), (3240, 5756), (4317, 4320)]