77708800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 120

約数和(自身を含む): 207783576

約数和(自身を除く): 130074776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 467, 512, 520, 640, 650, 800, 832, 934, 1040, 1280, 1300, 1600, 1664, 1868, 2080, 2335, 2560, 2600, 3200, 3328, 3736, 4160, 4670, 5200, 6071, 6400, 6656, 7472, 8320, 9340, 10400, 11675, 12142, 12800, 14944, 16640, 18680, 20800, 23350, 24284, 29888, 30355, 33280, 37360, 41600, 46700, 48568, 59776, 60710, 74720, 83200, 93400, 97136, 119552, 121420, 149440, 151775, 166400, 186800, 194272, 239104, 242840, 298880, 303550, 373600, 388544, 485680, 597760, 607100, 747200, 777088, 971360, 1195520, 1214200, 1494400, 1554176, 1942720, 2428400, 2988800, 3108352, 3885440, 4856800, 5977600, 7770880, 9713600, 15541760, 19427200, 38854400, 77708800]

約数ペア:

[(1, 77708800), (2, 38854400), (4, 19427200), (5, 15541760), (8, 9713600), (10, 7770880), (13, 5977600), (16, 4856800), (20, 3885440), (25, 3108352), (26, 2988800), (32, 2428400), (40, 1942720), (50, 1554176), (52, 1494400), (64, 1214200), (65, 1195520), (80, 971360), (100, 777088), (104, 747200), (128, 607100), (130, 597760), (160, 485680), (200, 388544), (208, 373600), (256, 303550), (260, 298880), (320, 242840), (325, 239104), (400, 194272), (416, 186800), (467, 166400), (512, 151775), (520, 149440), (640, 121420), (650, 119552), (800, 97136), (832, 93400), (934, 83200), (1040, 74720), (1280, 60710), (1300, 59776), (1600, 48568), (1664, 46700), (1868, 41600), (2080, 37360), (2335, 33280), (2560, 30355), (2600, 29888), (3200, 24284), (3328, 23350), (3736, 20800), (4160, 18680), (4670, 16640), (5200, 14944), (6071, 12800), (6400, 12142), (6656, 11675), (7472, 10400), (8320, 9340)]