19620000

素因数分解:

$2^5\times 3^2\times 5^4\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 180

約数和(自身を含む): 70360290

約数和(自身を除く): 50740290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 109, 120, 125, 144, 150, 160, 180, 200, 218, 225, 240, 250, 288, 300, 327, 360, 375, 400, 436, 450, 480, 500, 545, 600, 625, 654, 720, 750, 800, 872, 900, 981, 1000, 1090, 1125, 1200, 1250, 1308, 1440, 1500, 1635, 1744, 1800, 1875, 1962, 2000, 2180, 2250, 2400, 2500, 2616, 2725, 3000, 3270, 3488, 3600, 3750, 3924, 4000, 4360, 4500, 4905, 5000, 5232, 5450, 5625, 6000, 6540, 7200, 7500, 7848, 8175, 8720, 9000, 9810, 10000, 10464, 10900, 11250, 12000, 13080, 13625, 15000, 15696, 16350, 17440, 18000, 19620, 20000, 21800, 22500, 24525, 26160, 27250, 30000, 31392, 32700, 36000, 39240, 40875, 43600, 45000, 49050, 52320, 54500, 60000, 65400, 68125, 78480, 81750, 87200, 90000, 98100, 109000, 122625, 130800, 136250, 156960, 163500, 180000, 196200, 204375, 218000, 245250, 261600, 272500, 327000, 392400, 408750, 436000, 490500, 545000, 613125, 654000, 784800, 817500, 981000, 1090000, 1226250, 1308000, 1635000, 1962000, 2180000, 2452500, 3270000, 3924000, 4905000, 6540000, 9810000, 19620000]

約数ペア:

[(1, 19620000), (2, 9810000), (3, 6540000), (4, 4905000), (5, 3924000), (6, 3270000), (8, 2452500), (9, 2180000), (10, 1962000), (12, 1635000), (15, 1308000), (16, 1226250), (18, 1090000), (20, 981000), (24, 817500), (25, 784800), (30, 654000), (32, 613125), (36, 545000), (40, 490500), (45, 436000), (48, 408750), (50, 392400), (60, 327000), (72, 272500), (75, 261600), (80, 245250), (90, 218000), (96, 204375), (100, 196200), (109, 180000), (120, 163500), (125, 156960), (144, 136250), (150, 130800), (160, 122625), (180, 109000), (200, 98100), (218, 90000), (225, 87200), (240, 81750), (250, 78480), (288, 68125), (300, 65400), (327, 60000), (360, 54500), (375, 52320), (400, 49050), (436, 45000), (450, 43600), (480, 40875), (500, 39240), (545, 36000), (600, 32700), (625, 31392), (654, 30000), (720, 27250), (750, 26160), (800, 24525), (872, 22500), (900, 21800), (981, 20000), (1000, 19620), (1090, 18000), (1125, 17440), (1200, 16350), (1250, 15696), (1308, 15000), (1440, 13625), (1500, 13080), (1635, 12000), (1744, 11250), (1800, 10900), (1875, 10464), (1962, 10000), (2000, 9810), (2180, 9000), (2250, 8720), (2400, 8175), (2500, 7848), (2616, 7500), (2725, 7200), (3000, 6540), (3270, 6000), (3488, 5625), (3600, 5450), (3750, 5232), (3924, 5000), (4000, 4905), (4360, 4500)]