91328720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2388

約数の個数: 80

約数和(自身を含む): 246198528

約数和(自身を除く): 154869808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2297, 2485, 2840, 3976, 4594, 4970, 5680, 7952, 9188, 9940, 11485, 16079, 18376, 19880, 22970, 32158, 36752, 39760, 45940, 64316, 80395, 91880, 128632, 160790, 163087, 183760, 257264, 321580, 326174, 643160, 652348, 815435, 1141609, 1286320, 1304696, 1630870, 2283218, 2609392, 3261740, 4566436, 5708045, 6523480, 9132872, 11416090, 13046960, 18265744, 22832180, 45664360, 91328720]

約数ペア:

[(1, 91328720), (2, 45664360), (4, 22832180), (5, 18265744), (7, 13046960), (8, 11416090), (10, 9132872), (14, 6523480), (16, 5708045), (20, 4566436), (28, 3261740), (35, 2609392), (40, 2283218), (56, 1630870), (70, 1304696), (71, 1286320), (80, 1141609), (112, 815435), (140, 652348), (142, 643160), (280, 326174), (284, 321580), (355, 257264), (497, 183760), (560, 163087), (568, 160790), (710, 128632), (994, 91880), (1136, 80395), (1420, 64316), (1988, 45940), (2297, 39760), (2485, 36752), (2840, 32158), (3976, 22970), (4594, 19880), (4970, 18376), (5680, 16079), (7952, 11485), (9188, 9940)]