81580800

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{607}}^1$

素因数の和:643

約数の個数: 216

約数和(自身を含む): 308202496

約数和(自身を除く): 226621696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 256, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 525, 560, 600, 607, 640, 672, 700, 768, 800, 840, 896, 960, 1050, 1120, 1200, 1214, 1280, 1344, 1400, 1600, 1680, 1792, 1821, 1920, 2100, 2240, 2400, 2428, 2688, 2800, 3035, 3200, 3360, 3642, 3840, 4200, 4249, 4480, 4800, 4856, 5376, 5600, 6070, 6400, 6720, 7284, 8400, 8498, 8960, 9105, 9600, 9712, 11200, 12140, 12747, 13440, 14568, 15175, 16800, 16996, 18210, 19200, 19424, 21245, 22400, 24280, 25494, 26880, 29136, 30350, 33600, 33992, 36420, 38848, 42490, 44800, 45525, 48560, 50988, 58272, 60700, 63735, 67200, 67984, 72840, 77696, 84980, 91050, 97120, 101976, 106225, 116544, 121400, 127470, 134400, 135968, 145680, 155392, 169960, 182100, 194240, 203952, 212450, 233088, 242800, 254940, 271936, 291360, 318675, 339920, 364200, 388480, 407904, 424900, 466176, 485600, 509880, 543872, 582720, 637350, 679840, 728400, 776960, 815808, 849800, 971200, 1019760, 1087744, 1165440, 1274700, 1359680, 1456800, 1631616, 1699600, 1942400, 2039520, 2330880, 2549400, 2719360, 2913600, 3263232, 3399200, 3884800, 4079040, 5098800, 5438720, 5827200, 6798400, 8158080, 10197600, 11654400, 13596800, 16316160, 20395200, 27193600, 40790400, 81580800]

約数ペア:

[(1, 81580800), (2, 40790400), (3, 27193600), (4, 20395200), (5, 16316160), (6, 13596800), (7, 11654400), (8, 10197600), (10, 8158080), (12, 6798400), (14, 5827200), (15, 5438720), (16, 5098800), (20, 4079040), (21, 3884800), (24, 3399200), (25, 3263232), (28, 2913600), (30, 2719360), (32, 2549400), (35, 2330880), (40, 2039520), (42, 1942400), (48, 1699600), (50, 1631616), (56, 1456800), (60, 1359680), (64, 1274700), (70, 1165440), (75, 1087744), (80, 1019760), (84, 971200), (96, 849800), (100, 815808), (105, 776960), (112, 728400), (120, 679840), (128, 637350), (140, 582720), (150, 543872), (160, 509880), (168, 485600), (175, 466176), (192, 424900), (200, 407904), (210, 388480), (224, 364200), (240, 339920), (256, 318675), (280, 291360), (300, 271936), (320, 254940), (336, 242800), (350, 233088), (384, 212450), (400, 203952), (420, 194240), (448, 182100), (480, 169960), (525, 155392), (560, 145680), (600, 135968), (607, 134400), (640, 127470), (672, 121400), (700, 116544), (768, 106225), (800, 101976), (840, 97120), (896, 91050), (960, 84980), (1050, 77696), (1120, 72840), (1200, 67984), (1214, 67200), (1280, 63735), (1344, 60700), (1400, 58272), (1600, 50988), (1680, 48560), (1792, 45525), (1821, 44800), (1920, 42490), (2100, 38848), (2240, 36420), (2400, 33992), (2428, 33600), (2688, 30350), (2800, 29136), (3035, 26880), (3200, 25494), (3360, 24280), (3642, 22400), (3840, 21245), (4200, 19424), (4249, 19200), (4480, 18210), (4800, 16996), (4856, 16800), (5376, 15175), (5600, 14568), (6070, 13440), (6400, 12747), (6720, 12140), (7284, 11200), (8400, 9712), (8498, 9600), (8960, 9105)]