72748800

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 216

約数和(自身を含む): 267396080

約数和(自身を除く): 194647280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 421, 432, 450, 480, 540, 576, 600, 640, 675, 720, 768, 800, 842, 864, 900, 960, 1080, 1152, 1200, 1263, 1280, 1350, 1440, 1600, 1684, 1728, 1800, 1920, 2105, 2160, 2304, 2400, 2526, 2700, 2880, 3200, 3368, 3456, 3600, 3789, 3840, 4210, 4320, 4800, 5052, 5400, 5760, 6315, 6400, 6736, 6912, 7200, 7578, 8420, 8640, 9600, 10104, 10525, 10800, 11367, 11520, 12630, 13472, 14400, 15156, 16840, 17280, 18945, 19200, 20208, 21050, 21600, 22734, 25260, 26944, 28800, 30312, 31575, 33680, 34560, 37890, 40416, 42100, 43200, 45468, 50520, 53888, 56835, 57600, 60624, 63150, 67360, 75780, 80832, 84200, 86400, 90936, 94725, 101040, 107776, 113670, 121248, 126300, 134720, 151560, 161664, 168400, 172800, 181872, 189450, 202080, 227340, 242496, 252600, 269440, 284175, 303120, 323328, 336800, 363744, 378900, 404160, 454680, 484992, 505200, 538880, 568350, 606240, 673600, 727488, 757800, 808320, 909360, 969984, 1010400, 1136700, 1212480, 1347200, 1454976, 1515600, 1616640, 1818720, 2020800, 2273400, 2424960, 2694400, 2909952, 3031200, 3637440, 4041600, 4546800, 4849920, 6062400, 7274880, 8083200, 9093600, 12124800, 14549760, 18187200, 24249600, 36374400, 72748800]

約数ペア:

[(1, 72748800), (2, 36374400), (3, 24249600), (4, 18187200), (5, 14549760), (6, 12124800), (8, 9093600), (9, 8083200), (10, 7274880), (12, 6062400), (15, 4849920), (16, 4546800), (18, 4041600), (20, 3637440), (24, 3031200), (25, 2909952), (27, 2694400), (30, 2424960), (32, 2273400), (36, 2020800), (40, 1818720), (45, 1616640), (48, 1515600), (50, 1454976), (54, 1347200), (60, 1212480), (64, 1136700), (72, 1010400), (75, 969984), (80, 909360), (90, 808320), (96, 757800), (100, 727488), (108, 673600), (120, 606240), (128, 568350), (135, 538880), (144, 505200), (150, 484992), (160, 454680), (180, 404160), (192, 378900), (200, 363744), (216, 336800), (225, 323328), (240, 303120), (256, 284175), (270, 269440), (288, 252600), (300, 242496), (320, 227340), (360, 202080), (384, 189450), (400, 181872), (421, 172800), (432, 168400), (450, 161664), (480, 151560), (540, 134720), (576, 126300), (600, 121248), (640, 113670), (675, 107776), (720, 101040), (768, 94725), (800, 90936), (842, 86400), (864, 84200), (900, 80832), (960, 75780), (1080, 67360), (1152, 63150), (1200, 60624), (1263, 57600), (1280, 56835), (1350, 53888), (1440, 50520), (1600, 45468), (1684, 43200), (1728, 42100), (1800, 40416), (1920, 37890), (2105, 34560), (2160, 33680), (2304, 31575), (2400, 30312), (2526, 28800), (2700, 26944), (2880, 25260), (3200, 22734), (3368, 21600), (3456, 21050), (3600, 20208), (3789, 19200), (3840, 18945), (4210, 17280), (4320, 16840), (4800, 15156), (5052, 14400), (5400, 13472), (5760, 12630), (6315, 11520), (6400, 11367), (6736, 10800), (6912, 10525), (7200, 10104), (7578, 9600), (8420, 8640)]