68176640

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1087}}^1$

素因数の和:1122

約数の個数: 108

約数和(自身を含む): 190141056

約数和(自身を除く): 121964416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1087, 1120, 1280, 1568, 1792, 1960, 2174, 2240, 3136, 3920, 4348, 4480, 5435, 6272, 7609, 7840, 8696, 8960, 10870, 12544, 15218, 15680, 17392, 21740, 30436, 31360, 34784, 38045, 43480, 53263, 60872, 62720, 69568, 76090, 86960, 106526, 121744, 139136, 152180, 173920, 213052, 243488, 266315, 278272, 304360, 347840, 426104, 486976, 532630, 608720, 695680, 852208, 973952, 1065260, 1217440, 1391360, 1704416, 1947904, 2130520, 2434880, 3408832, 4261040, 4869760, 6817664, 8522080, 9739520, 13635328, 17044160, 34088320, 68176640]

約数ペア:

[(1, 68176640), (2, 34088320), (4, 17044160), (5, 13635328), (7, 9739520), (8, 8522080), (10, 6817664), (14, 4869760), (16, 4261040), (20, 3408832), (28, 2434880), (32, 2130520), (35, 1947904), (40, 1704416), (49, 1391360), (56, 1217440), (64, 1065260), (70, 973952), (80, 852208), (98, 695680), (112, 608720), (128, 532630), (140, 486976), (160, 426104), (196, 347840), (224, 304360), (245, 278272), (256, 266315), (280, 243488), (320, 213052), (392, 173920), (448, 152180), (490, 139136), (560, 121744), (640, 106526), (784, 86960), (896, 76090), (980, 69568), (1087, 62720), (1120, 60872), (1280, 53263), (1568, 43480), (1792, 38045), (1960, 34784), (2174, 31360), (2240, 30436), (3136, 21740), (3920, 17392), (4348, 15680), (4480, 15218), (5435, 12544), (6272, 10870), (7609, 8960), (7840, 8696)]