48387280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 117849600

約数和(自身を除く): 69462320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 179, 218, 248, 310, 358, 436, 496, 545, 620, 716, 872, 895, 1090, 1240, 1432, 1744, 1790, 2180, 2480, 2864, 3379, 3580, 4360, 5549, 6758, 7160, 8720, 11098, 13516, 14320, 16895, 19511, 22196, 27032, 27745, 33790, 39022, 44392, 54064, 55490, 67580, 78044, 88784, 97555, 110980, 135160, 156088, 195110, 221960, 270320, 312176, 390220, 443920, 604841, 780440, 1209682, 1560880, 2419364, 3024205, 4838728, 6048410, 9677456, 12096820, 24193640, 48387280]

約数ペア:

[(1, 48387280), (2, 24193640), (4, 12096820), (5, 9677456), (8, 6048410), (10, 4838728), (16, 3024205), (20, 2419364), (31, 1560880), (40, 1209682), (62, 780440), (80, 604841), (109, 443920), (124, 390220), (155, 312176), (179, 270320), (218, 221960), (248, 195110), (310, 156088), (358, 135160), (436, 110980), (496, 97555), (545, 88784), (620, 78044), (716, 67580), (872, 55490), (895, 54064), (1090, 44392), (1240, 39022), (1432, 33790), (1744, 27745), (1790, 27032), (2180, 22196), (2480, 19511), (2864, 16895), (3379, 14320), (3580, 13516), (4360, 11098), (5549, 8720), (6758, 7160)]