251212800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{3271}}^1$

素因数の和:3304

約数の個数: 132

約数和(自身を含む): 830525216

約数和(自身を除く): 579312416

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, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3072, 3200, 3271, 3840, 4800, 5120, 6400, 6542, 7680, 9600, 9813, 12800, 13084, 15360, 16355, 19200, 19626, 25600, 26168, 32710, 38400, 39252, 49065, 52336, 65420, 76800, 78504, 81775, 98130, 104672, 130840, 157008, 163550, 196260, 209344, 245325, 261680, 314016, 327100, 392520, 418688, 490650, 523360, 628032, 654200, 785040, 837376, 981300, 1046720, 1256064, 1308400, 1570080, 1674752, 1962600, 2093440, 2512128, 2616800, 3140160, 3349504, 3925200, 4186880, 5024256, 5233600, 6280320, 7850400, 8373760, 10048512, 10467200, 12560640, 15700800, 16747520, 20934400, 25121280, 31401600, 41868800, 50242560, 62803200, 83737600, 125606400, 251212800]

約数ペア:

[(1, 251212800), (2, 125606400), (3, 83737600), (4, 62803200), (5, 50242560), (6, 41868800), (8, 31401600), (10, 25121280), (12, 20934400), (15, 16747520), (16, 15700800), (20, 12560640), (24, 10467200), (25, 10048512), (30, 8373760), (32, 7850400), (40, 6280320), (48, 5233600), (50, 5024256), (60, 4186880), (64, 3925200), (75, 3349504), (80, 3140160), (96, 2616800), (100, 2512128), (120, 2093440), (128, 1962600), (150, 1674752), (160, 1570080), (192, 1308400), (200, 1256064), (240, 1046720), (256, 981300), (300, 837376), (320, 785040), (384, 654200), (400, 628032), (480, 523360), (512, 490650), (600, 418688), (640, 392520), (768, 327100), (800, 314016), (960, 261680), (1024, 245325), (1200, 209344), (1280, 196260), (1536, 163550), (1600, 157008), (1920, 130840), (2400, 104672), (2560, 98130), (3072, 81775), (3200, 78504), (3271, 76800), (3840, 65420), (4800, 52336), (5120, 49065), (6400, 39252), (6542, 38400), (7680, 32710), (9600, 26168), (9813, 25600), (12800, 19626), (13084, 19200), (15360, 16355)]