77171840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 201262320

約数和(自身を除く): 124090480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 173, 205, 272, 320, 328, 340, 346, 410, 544, 640, 656, 680, 692, 697, 820, 865, 1088, 1312, 1360, 1384, 1394, 1640, 1730, 2176, 2624, 2720, 2768, 2788, 2941, 3280, 3460, 3485, 5248, 5440, 5536, 5576, 5882, 6560, 6920, 6970, 7093, 10880, 11072, 11152, 11764, 13120, 13840, 13940, 14186, 14705, 22144, 22304, 23528, 26240, 27680, 27880, 28372, 29410, 35465, 44608, 47056, 55360, 55760, 56744, 58820, 70930, 89216, 94112, 110720, 111520, 113488, 117640, 120581, 141860, 188224, 223040, 226976, 235280, 241162, 283720, 376448, 446080, 453952, 470560, 482324, 567440, 602905, 907904, 941120, 964648, 1134880, 1205810, 1882240, 1929296, 2269760, 2411620, 3858592, 4539520, 4823240, 7717184, 9646480, 15434368, 19292960, 38585920, 77171840]

約数ペア:

[(1, 77171840), (2, 38585920), (4, 19292960), (5, 15434368), (8, 9646480), (10, 7717184), (16, 4823240), (17, 4539520), (20, 3858592), (32, 2411620), (34, 2269760), (40, 1929296), (41, 1882240), (64, 1205810), (68, 1134880), (80, 964648), (82, 941120), (85, 907904), (128, 602905), (136, 567440), (160, 482324), (164, 470560), (170, 453952), (173, 446080), (205, 376448), (272, 283720), (320, 241162), (328, 235280), (340, 226976), (346, 223040), (410, 188224), (544, 141860), (640, 120581), (656, 117640), (680, 113488), (692, 111520), (697, 110720), (820, 94112), (865, 89216), (1088, 70930), (1312, 58820), (1360, 56744), (1384, 55760), (1394, 55360), (1640, 47056), (1730, 44608), (2176, 35465), (2624, 29410), (2720, 28372), (2768, 27880), (2788, 27680), (2941, 26240), (3280, 23528), (3460, 22304), (3485, 22144), (5248, 14705), (5440, 14186), (5536, 13940), (5576, 13840), (5882, 13120), (6560, 11764), (6920, 11152), (6970, 11072), (7093, 10880)]