20172000

素因数分解:

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

素因数の和:110

約数の個数: 144

約数和(自身を含む): 67734576

約数和(自身を除く): 47562576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 125, 150, 160, 164, 200, 205, 240, 246, 250, 300, 328, 375, 400, 410, 480, 492, 500, 600, 615, 656, 750, 800, 820, 984, 1000, 1025, 1200, 1230, 1312, 1500, 1640, 1681, 1968, 2000, 2050, 2400, 2460, 3000, 3075, 3280, 3362, 3936, 4000, 4100, 4920, 5043, 5125, 6000, 6150, 6560, 6724, 8200, 8405, 9840, 10086, 10250, 12000, 12300, 13448, 15375, 16400, 16810, 19680, 20172, 20500, 24600, 25215, 26896, 30750, 32800, 33620, 40344, 41000, 42025, 49200, 50430, 53792, 61500, 67240, 80688, 82000, 84050, 98400, 100860, 123000, 126075, 134480, 161376, 164000, 168100, 201720, 210125, 246000, 252150, 268960, 336200, 403440, 420250, 492000, 504300, 630375, 672400, 806880, 840500, 1008600, 1260750, 1344800, 1681000, 2017200, 2521500, 3362000, 4034400, 5043000, 6724000, 10086000, 20172000]

約数ペア:

[(1, 20172000), (2, 10086000), (3, 6724000), (4, 5043000), (5, 4034400), (6, 3362000), (8, 2521500), (10, 2017200), (12, 1681000), (15, 1344800), (16, 1260750), (20, 1008600), (24, 840500), (25, 806880), (30, 672400), (32, 630375), (40, 504300), (41, 492000), (48, 420250), (50, 403440), (60, 336200), (75, 268960), (80, 252150), (82, 246000), (96, 210125), (100, 201720), (120, 168100), (123, 164000), (125, 161376), (150, 134480), (160, 126075), (164, 123000), (200, 100860), (205, 98400), (240, 84050), (246, 82000), (250, 80688), (300, 67240), (328, 61500), (375, 53792), (400, 50430), (410, 49200), (480, 42025), (492, 41000), (500, 40344), (600, 33620), (615, 32800), (656, 30750), (750, 26896), (800, 25215), (820, 24600), (984, 20500), (1000, 20172), (1025, 19680), (1200, 16810), (1230, 16400), (1312, 15375), (1500, 13448), (1640, 12300), (1681, 12000), (1968, 10250), (2000, 10086), (2050, 9840), (2400, 8405), (2460, 8200), (3000, 6724), (3075, 6560), (3280, 6150), (3362, 6000), (3936, 5125), (4000, 5043), (4100, 4920)]