1820066400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 216

約数和(自身を含む): 6443728200

約数和(自身を除く): 4623661800

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, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 449, 450, 480, 563, 600, 720, 800, 898, 900, 1126, 1200, 1347, 1440, 1689, 1796, 1800, 2245, 2252, 2400, 2694, 2815, 3378, 3592, 3600, 4041, 4490, 4504, 5067, 5388, 5630, 6735, 6756, 7184, 7200, 8082, 8445, 8980, 9008, 10134, 10776, 11225, 11260, 13470, 13512, 14075, 14368, 16164, 16890, 17960, 18016, 20205, 20268, 21552, 22450, 22520, 25335, 26940, 27024, 28150, 32328, 33675, 33780, 35920, 40410, 40536, 42225, 43104, 44900, 45040, 50670, 53880, 54048, 56300, 64656, 67350, 67560, 71840, 80820, 81072, 84450, 89800, 90080, 101025, 101340, 107760, 112600, 126675, 129312, 134700, 135120, 161640, 162144, 168900, 179600, 202050, 202680, 215520, 225200, 252787, 253350, 269400, 270240, 323280, 337800, 359200, 404100, 405360, 450400, 505574, 506700, 538800, 646560, 675600, 758361, 808200, 810720, 1011148, 1013400, 1077600, 1263935, 1351200, 1516722, 1616400, 2022296, 2026800, 2275083, 2527870, 3033444, 3232800, 3791805, 4044592, 4053600, 4550166, 5055740, 6066888, 6319675, 7583610, 8089184, 9100332, 10111480, 11375415, 12133776, 12639350, 15167220, 18200664, 18959025, 20222960, 22750830, 24267552, 25278700, 30334440, 36401328, 37918050, 40445920, 45501660, 50557400, 56877075, 60668880, 72802656, 75836100, 91003320, 101114800, 113754150, 121337760, 151672200, 182006640, 202229600, 227508300, 303344400, 364013280, 455016600, 606688800, 910033200, 1820066400]

約数ペア:

[(1, 1820066400), (2, 910033200), (3, 606688800), (4, 455016600), (5, 364013280), (6, 303344400), (8, 227508300), (9, 202229600), (10, 182006640), (12, 151672200), (15, 121337760), (16, 113754150), (18, 101114800), (20, 91003320), (24, 75836100), (25, 72802656), (30, 60668880), (32, 56877075), (36, 50557400), (40, 45501660), (45, 40445920), (48, 37918050), (50, 36401328), (60, 30334440), (72, 25278700), (75, 24267552), (80, 22750830), (90, 20222960), (96, 18959025), (100, 18200664), (120, 15167220), (144, 12639350), (150, 12133776), (160, 11375415), (180, 10111480), (200, 9100332), (225, 8089184), (240, 7583610), (288, 6319675), (300, 6066888), (360, 5055740), (400, 4550166), (449, 4053600), (450, 4044592), (480, 3791805), (563, 3232800), (600, 3033444), (720, 2527870), (800, 2275083), (898, 2026800), (900, 2022296), (1126, 1616400), (1200, 1516722), (1347, 1351200), (1440, 1263935), (1689, 1077600), (1796, 1013400), (1800, 1011148), (2245, 810720), (2252, 808200), (2400, 758361), (2694, 675600), (2815, 646560), (3378, 538800), (3592, 506700), (3600, 505574), (4041, 450400), (4490, 405360), (4504, 404100), (5067, 359200), (5388, 337800), (5630, 323280), (6735, 270240), (6756, 269400), (7184, 253350), (7200, 252787), (8082, 225200), (8445, 215520), (8980, 202680), (9008, 202050), (10134, 179600), (10776, 168900), (11225, 162144), (11260, 161640), (13470, 135120), (13512, 134700), (14075, 129312), (14368, 126675), (16164, 112600), (16890, 107760), (17960, 101340), (18016, 101025), (20205, 90080), (20268, 89800), (21552, 84450), (22450, 81072), (22520, 80820), (25335, 71840), (26940, 67560), (27024, 67350), (28150, 64656), (32328, 56300), (33675, 54048), (33780, 53880), (35920, 50670), (40410, 45040), (40536, 44900), (42225, 43104)]