251138880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9689}}^1$

素因数の和:9718

約数の個数: 140

約数和(自身を含む): 893437380

約数和(自身を除く): 642298500

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9689, 12960, 19378, 25920, 29067, 38756, 48445, 58134, 77512, 87201, 96890, 116268, 145335, 155024, 174402, 193780, 232536, 261603, 290670, 310048, 348804, 387560, 436005, 465072, 523206, 581340, 620096, 697608, 775120, 784809, 872010, 930144, 1046412, 1162680, 1308015, 1395216, 1550240, 1569618, 1744020, 1860288, 2092824, 2325360, 2616030, 2790432, 3100480, 3139236, 3488040, 3924045, 4185648, 4650720, 5232060, 5580864, 6278472, 6976080, 7848090, 8371296, 9301440, 10464120, 12556944, 13952160, 15696180, 16742592, 20928240, 25113888, 27904320, 31392360, 41856480, 50227776, 62784720, 83712960, 125569440, 251138880]

約数ペア:

[(1, 251138880), (2, 125569440), (3, 83712960), (4, 62784720), (5, 50227776), (6, 41856480), (8, 31392360), (9, 27904320), (10, 25113888), (12, 20928240), (15, 16742592), (16, 15696180), (18, 13952160), (20, 12556944), (24, 10464120), (27, 9301440), (30, 8371296), (32, 7848090), (36, 6976080), (40, 6278472), (45, 5580864), (48, 5232060), (54, 4650720), (60, 4185648), (64, 3924045), (72, 3488040), (80, 3139236), (81, 3100480), (90, 2790432), (96, 2616030), (108, 2325360), (120, 2092824), (135, 1860288), (144, 1744020), (160, 1569618), (162, 1550240), (180, 1395216), (192, 1308015), (216, 1162680), (240, 1046412), (270, 930144), (288, 872010), (320, 784809), (324, 775120), (360, 697608), (405, 620096), (432, 581340), (480, 523206), (540, 465072), (576, 436005), (648, 387560), (720, 348804), (810, 310048), (864, 290670), (960, 261603), (1080, 232536), (1296, 193780), (1440, 174402), (1620, 155024), (1728, 145335), (2160, 116268), (2592, 96890), (2880, 87201), (3240, 77512), (4320, 58134), (5184, 48445), (6480, 38756), (8640, 29067), (9689, 25920), (12960, 19378)]