68702720

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 80

約数和(自身を含む): 168524928

約数和(自身を除く): 99822208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 571, 640, 752, 940, 1142, 1280, 1504, 1880, 2284, 2560, 2855, 3008, 3760, 4568, 5710, 6016, 7520, 9136, 11420, 12032, 15040, 18272, 22840, 24064, 26837, 30080, 36544, 45680, 53674, 60160, 73088, 91360, 107348, 120320, 134185, 146176, 182720, 214696, 268370, 292352, 365440, 429392, 536740, 730880, 858784, 1073480, 1461760, 1717568, 2146960, 3435136, 4293920, 6870272, 8587840, 13740544, 17175680, 34351360, 68702720]

約数ペア:

[(1, 68702720), (2, 34351360), (4, 17175680), (5, 13740544), (8, 8587840), (10, 6870272), (16, 4293920), (20, 3435136), (32, 2146960), (40, 1717568), (47, 1461760), (64, 1073480), (80, 858784), (94, 730880), (128, 536740), (160, 429392), (188, 365440), (235, 292352), (256, 268370), (320, 214696), (376, 182720), (470, 146176), (512, 134185), (571, 120320), (640, 107348), (752, 91360), (940, 73088), (1142, 60160), (1280, 53674), (1504, 45680), (1880, 36544), (2284, 30080), (2560, 26837), (2855, 24064), (3008, 22840), (3760, 18272), (4568, 15040), (5710, 12032), (6016, 11420), (7520, 9136)]