717879040

素因数分解:

$2^8\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1607}}^1$

素因数の和:1977

約数の個数: 72

約数和(自身を含む): 1725544800

約数和(自身を除く): 1007665760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 349, 640, 698, 1280, 1396, 1607, 1745, 2792, 3214, 3490, 5584, 6428, 6980, 8035, 11168, 12856, 13960, 16070, 22336, 25712, 27920, 32140, 44672, 51424, 55840, 64280, 89344, 102848, 111680, 128560, 205696, 223360, 257120, 411392, 446720, 514240, 560843, 1028480, 1121686, 2056960, 2243372, 2804215, 4486744, 5608430, 8973488, 11216860, 17946976, 22433720, 35893952, 44867440, 71787904, 89734880, 143575808, 179469760, 358939520, 717879040]

約数ペア:

[(1, 717879040), (2, 358939520), (4, 179469760), (5, 143575808), (8, 89734880), (10, 71787904), (16, 44867440), (20, 35893952), (32, 22433720), (40, 17946976), (64, 11216860), (80, 8973488), (128, 5608430), (160, 4486744), (256, 2804215), (320, 2243372), (349, 2056960), (640, 1121686), (698, 1028480), (1280, 560843), (1396, 514240), (1607, 446720), (1745, 411392), (2792, 257120), (3214, 223360), (3490, 205696), (5584, 128560), (6428, 111680), (6980, 102848), (8035, 89344), (11168, 64280), (12856, 55840), (13960, 51424), (16070, 44672), (22336, 32140), (25712, 27920)]