123973120

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:715

約数の個数: 80

約数和(自身を含む): 301498560

約数和(自身を除く): 177525440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 613, 632, 640, 790, 1226, 1264, 1280, 1580, 2452, 2528, 2560, 3065, 3160, 4904, 5056, 6130, 6320, 9808, 10112, 12260, 12640, 19616, 20224, 24520, 25280, 39232, 40448, 48427, 49040, 50560, 78464, 96854, 98080, 101120, 156928, 193708, 196160, 202240, 242135, 313856, 387416, 392320, 484270, 774832, 784640, 968540, 1549664, 1569280, 1937080, 3099328, 3874160, 6198656, 7748320, 12397312, 15496640, 24794624, 30993280, 61986560, 123973120]

約数ペア:

[(1, 123973120), (2, 61986560), (4, 30993280), (5, 24794624), (8, 15496640), (10, 12397312), (16, 7748320), (20, 6198656), (32, 3874160), (40, 3099328), (64, 1937080), (79, 1569280), (80, 1549664), (128, 968540), (158, 784640), (160, 774832), (256, 484270), (316, 392320), (320, 387416), (395, 313856), (512, 242135), (613, 202240), (632, 196160), (640, 193708), (790, 156928), (1226, 101120), (1264, 98080), (1280, 96854), (1580, 78464), (2452, 50560), (2528, 49040), (2560, 48427), (3065, 40448), (3160, 39232), (4904, 25280), (5056, 24520), (6130, 20224), (6320, 19616), (9808, 12640), (10112, 12260)]