77400320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3595

約数の個数: 72

約数和(自身を含む): 196358904

約数和(自身を除く): 118958584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3557, 4352, 5440, 7114, 10880, 14228, 17785, 21760, 28456, 35570, 56912, 60469, 71140, 113824, 120938, 142280, 227648, 241876, 284560, 302345, 455296, 483752, 569120, 604690, 910592, 967504, 1138240, 1209380, 1935008, 2276480, 2418760, 3870016, 4552960, 4837520, 7740032, 9675040, 15480064, 19350080, 38700160, 77400320]

約数ペア:

[(1, 77400320), (2, 38700160), (4, 19350080), (5, 15480064), (8, 9675040), (10, 7740032), (16, 4837520), (17, 4552960), (20, 3870016), (32, 2418760), (34, 2276480), (40, 1935008), (64, 1209380), (68, 1138240), (80, 967504), (85, 910592), (128, 604690), (136, 569120), (160, 483752), (170, 455296), (256, 302345), (272, 284560), (320, 241876), (340, 227648), (544, 142280), (640, 120938), (680, 113824), (1088, 71140), (1280, 60469), (1360, 56912), (2176, 35570), (2720, 28456), (3557, 21760), (4352, 17785), (5440, 14228), (7114, 10880)]