78771200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 132

約数和(自身を含む): 207885132

約数和(自身を除く): 129113932

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 181, 200, 256, 272, 320, 340, 362, 400, 425, 512, 544, 640, 680, 724, 800, 850, 905, 1024, 1088, 1280, 1360, 1448, 1600, 1700, 1810, 2176, 2560, 2720, 2896, 3077, 3200, 3400, 3620, 4352, 4525, 5120, 5440, 5792, 6154, 6400, 6800, 7240, 8704, 9050, 10880, 11584, 12308, 12800, 13600, 14480, 15385, 17408, 18100, 21760, 23168, 24616, 25600, 27200, 28960, 30770, 36200, 43520, 46336, 49232, 54400, 57920, 61540, 72400, 76925, 87040, 92672, 98464, 108800, 115840, 123080, 144800, 153850, 185344, 196928, 217600, 231680, 246160, 289600, 307700, 393856, 435200, 463360, 492320, 579200, 615400, 787712, 926720, 984640, 1158400, 1230800, 1575424, 1969280, 2316800, 2461600, 3150848, 3938560, 4633600, 4923200, 7877120, 9846400, 15754240, 19692800, 39385600, 78771200]

約数ペア:

[(1, 78771200), (2, 39385600), (4, 19692800), (5, 15754240), (8, 9846400), (10, 7877120), (16, 4923200), (17, 4633600), (20, 3938560), (25, 3150848), (32, 2461600), (34, 2316800), (40, 1969280), (50, 1575424), (64, 1230800), (68, 1158400), (80, 984640), (85, 926720), (100, 787712), (128, 615400), (136, 579200), (160, 492320), (170, 463360), (181, 435200), (200, 393856), (256, 307700), (272, 289600), (320, 246160), (340, 231680), (362, 217600), (400, 196928), (425, 185344), (512, 153850), (544, 144800), (640, 123080), (680, 115840), (724, 108800), (800, 98464), (850, 92672), (905, 87040), (1024, 76925), (1088, 72400), (1280, 61540), (1360, 57920), (1448, 54400), (1600, 49232), (1700, 46336), (1810, 43520), (2176, 36200), (2560, 30770), (2720, 28960), (2896, 27200), (3077, 25600), (3200, 24616), (3400, 23168), (3620, 21760), (4352, 18100), (4525, 17408), (5120, 15385), (5440, 14480), (5792, 13600), (6154, 12800), (6400, 12308), (6800, 11584), (7240, 10880), (8704, 9050)]