1281538560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{166867}}^1$

素因数の和:166893

約数の個数: 80

約数和(自身を含む): 4096943136

約数和(自身を除く): 2815404576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 166867, 333734, 500601, 667468, 834335, 1001202, 1334936, 1668670, 2002404, 2503005, 2669872, 3337340, 4004808, 5006010, 5339744, 6674680, 8009616, 10012020, 10679488, 13349360, 16019232, 20024040, 21358976, 26698720, 32038464, 40048080, 42717952, 53397440, 64076928, 80096160, 85435904, 106794880, 128153856, 160192320, 213589760, 256307712, 320384640, 427179520, 640769280, 1281538560]

約数ペア:

[(1, 1281538560), (2, 640769280), (3, 427179520), (4, 320384640), (5, 256307712), (6, 213589760), (8, 160192320), (10, 128153856), (12, 106794880), (15, 85435904), (16, 80096160), (20, 64076928), (24, 53397440), (30, 42717952), (32, 40048080), (40, 32038464), (48, 26698720), (60, 21358976), (64, 20024040), (80, 16019232), (96, 13349360), (120, 10679488), (128, 10012020), (160, 8009616), (192, 6674680), (240, 5339744), (256, 5006010), (320, 4004808), (384, 3337340), (480, 2669872), (512, 2503005), (640, 2002404), (768, 1668670), (960, 1334936), (1280, 1001202), (1536, 834335), (1920, 667468), (2560, 500601), (3840, 333734), (7680, 166867)]