201720000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{41}}^2$

素因数の和:117

約数の個数: 210

約数和(自身を含む): 683596804

約数和(自身を除く): 481876804

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 64, 75, 80, 82, 96, 100, 120, 123, 125, 150, 160, 164, 192, 200, 205, 240, 246, 250, 300, 320, 328, 375, 400, 410, 480, 492, 500, 600, 615, 625, 656, 750, 800, 820, 960, 984, 1000, 1025, 1200, 1230, 1250, 1312, 1500, 1600, 1640, 1681, 1875, 1968, 2000, 2050, 2400, 2460, 2500, 2624, 3000, 3075, 3280, 3362, 3750, 3936, 4000, 4100, 4800, 4920, 5000, 5043, 5125, 6000, 6150, 6560, 6724, 7500, 7872, 8000, 8200, 8405, 9840, 10000, 10086, 10250, 12000, 12300, 13120, 13448, 15000, 15375, 16400, 16810, 19680, 20000, 20172, 20500, 24000, 24600, 25215, 25625, 26896, 30000, 30750, 32800, 33620, 39360, 40000, 40344, 41000, 42025, 49200, 50430, 51250, 53792, 60000, 61500, 65600, 67240, 76875, 80688, 82000, 84050, 98400, 100860, 102500, 107584, 120000, 123000, 126075, 134480, 153750, 161376, 164000, 168100, 196800, 201720, 205000, 210125, 246000, 252150, 268960, 307500, 322752, 328000, 336200, 403440, 410000, 420250, 492000, 504300, 537920, 615000, 630375, 672400, 806880, 820000, 840500, 984000, 1008600, 1050625, 1230000, 1260750, 1344800, 1613760, 1640000, 1681000, 2017200, 2101250, 2460000, 2521500, 2689600, 3151875, 3362000, 4034400, 4202500, 4920000, 5043000, 6303750, 6724000, 8068800, 8405000, 10086000, 12607500, 13448000, 16810000, 20172000, 25215000, 33620000, 40344000, 50430000, 67240000, 100860000, 201720000]

約数ペア:

[(1, 201720000), (2, 100860000), (3, 67240000), (4, 50430000), (5, 40344000), (6, 33620000), (8, 25215000), (10, 20172000), (12, 16810000), (15, 13448000), (16, 12607500), (20, 10086000), (24, 8405000), (25, 8068800), (30, 6724000), (32, 6303750), (40, 5043000), (41, 4920000), (48, 4202500), (50, 4034400), (60, 3362000), (64, 3151875), (75, 2689600), (80, 2521500), (82, 2460000), (96, 2101250), (100, 2017200), (120, 1681000), (123, 1640000), (125, 1613760), (150, 1344800), (160, 1260750), (164, 1230000), (192, 1050625), (200, 1008600), (205, 984000), (240, 840500), (246, 820000), (250, 806880), (300, 672400), (320, 630375), (328, 615000), (375, 537920), (400, 504300), (410, 492000), (480, 420250), (492, 410000), (500, 403440), (600, 336200), (615, 328000), (625, 322752), (656, 307500), (750, 268960), (800, 252150), (820, 246000), (960, 210125), (984, 205000), (1000, 201720), (1025, 196800), (1200, 168100), (1230, 164000), (1250, 161376), (1312, 153750), (1500, 134480), (1600, 126075), (1640, 123000), (1681, 120000), (1875, 107584), (1968, 102500), (2000, 100860), (2050, 98400), (2400, 84050), (2460, 82000), (2500, 80688), (2624, 76875), (3000, 67240), (3075, 65600), (3280, 61500), (3362, 60000), (3750, 53792), (3936, 51250), (4000, 50430), (4100, 49200), (4800, 42025), (4920, 41000), (5000, 40344), (5043, 40000), (5125, 39360), (6000, 33620), (6150, 32800), (6560, 30750), (6724, 30000), (7500, 26896), (7872, 25625), (8000, 25215), (8200, 24600), (8405, 24000), (9840, 20500), (10000, 20172), (10086, 20000), (10250, 19680), (12000, 16810), (12300, 16400), (13120, 15375), (13448, 15000)]