1981804800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:705

約数の個数: 216

約数和(自身を含む): 6583266144

約数和(自身を除く): 4601461344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 233, 240, 256, 300, 320, 384, 400, 443, 466, 480, 600, 640, 699, 768, 800, 886, 932, 960, 1165, 1200, 1280, 1329, 1398, 1600, 1772, 1864, 1920, 2215, 2330, 2400, 2658, 2796, 3200, 3495, 3544, 3728, 3840, 4430, 4660, 4800, 5316, 5592, 5825, 6400, 6645, 6990, 7088, 7456, 8860, 9320, 9600, 10632, 11075, 11184, 11650, 13290, 13980, 14176, 14912, 17475, 17720, 18640, 19200, 21264, 22150, 22368, 23300, 26580, 27960, 28352, 29824, 33225, 34950, 35440, 37280, 42528, 44300, 44736, 46600, 53160, 55920, 56704, 59648, 66450, 69900, 70880, 74560, 85056, 88600, 89472, 93200, 103219, 106320, 111840, 113408, 132900, 139800, 141760, 149120, 170112, 177200, 178944, 186400, 206438, 212640, 223680, 265800, 279600, 283520, 298240, 309657, 340224, 354400, 372800, 412876, 425280, 447360, 516095, 531600, 559200, 567040, 619314, 708800, 745600, 825752, 850560, 894720, 1032190, 1063200, 1118400, 1238628, 1417600, 1491200, 1548285, 1651504, 1701120, 2064380, 2126400, 2236800, 2477256, 2580475, 2835200, 3096570, 3303008, 4128760, 4252800, 4473600, 4954512, 5160950, 6193140, 6606016, 7741425, 8257520, 8505600, 9909024, 10321900, 12386280, 13212032, 15482850, 16515040, 19818048, 20643800, 24772560, 26424064, 30965700, 33030080, 39636096, 41287600, 49545120, 61931400, 66060160, 79272192, 82575200, 99090240, 123862800, 132120320, 165150400, 198180480, 247725600, 330300800, 396360960, 495451200, 660601600, 990902400, 1981804800]

約数ペア:

[(1, 1981804800), (2, 990902400), (3, 660601600), (4, 495451200), (5, 396360960), (6, 330300800), (8, 247725600), (10, 198180480), (12, 165150400), (15, 132120320), (16, 123862800), (20, 99090240), (24, 82575200), (25, 79272192), (30, 66060160), (32, 61931400), (40, 49545120), (48, 41287600), (50, 39636096), (60, 33030080), (64, 30965700), (75, 26424064), (80, 24772560), (96, 20643800), (100, 19818048), (120, 16515040), (128, 15482850), (150, 13212032), (160, 12386280), (192, 10321900), (200, 9909024), (233, 8505600), (240, 8257520), (256, 7741425), (300, 6606016), (320, 6193140), (384, 5160950), (400, 4954512), (443, 4473600), (466, 4252800), (480, 4128760), (600, 3303008), (640, 3096570), (699, 2835200), (768, 2580475), (800, 2477256), (886, 2236800), (932, 2126400), (960, 2064380), (1165, 1701120), (1200, 1651504), (1280, 1548285), (1329, 1491200), (1398, 1417600), (1600, 1238628), (1772, 1118400), (1864, 1063200), (1920, 1032190), (2215, 894720), (2330, 850560), (2400, 825752), (2658, 745600), (2796, 708800), (3200, 619314), (3495, 567040), (3544, 559200), (3728, 531600), (3840, 516095), (4430, 447360), (4660, 425280), (4800, 412876), (5316, 372800), (5592, 354400), (5825, 340224), (6400, 309657), (6645, 298240), (6990, 283520), (7088, 279600), (7456, 265800), (8860, 223680), (9320, 212640), (9600, 206438), (10632, 186400), (11075, 178944), (11184, 177200), (11650, 170112), (13290, 149120), (13980, 141760), (14176, 139800), (14912, 132900), (17475, 113408), (17720, 111840), (18640, 106320), (19200, 103219), (21264, 93200), (22150, 89472), (22368, 88600), (23300, 85056), (26580, 74560), (27960, 70880), (28352, 69900), (29824, 66450), (33225, 59648), (34950, 56704), (35440, 55920), (37280, 53160), (42528, 46600), (44300, 44736)]