81104960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{877}}^1$

素因数の和:928

約数の個数: 84

約数和(自身を含む): 205394052

約数和(自身を除く): 124289092

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 877, 1088, 1156, 1360, 1445, 1754, 2312, 2720, 2890, 3508, 4385, 4624, 5440, 5780, 7016, 8770, 9248, 11560, 14032, 14909, 17540, 18496, 23120, 28064, 29818, 35080, 46240, 56128, 59636, 70160, 74545, 92480, 119272, 140320, 149090, 238544, 253453, 280640, 298180, 477088, 506906, 596360, 954176, 1013812, 1192720, 1267265, 2027624, 2385440, 2534530, 4055248, 4770880, 5069060, 8110496, 10138120, 16220992, 20276240, 40552480, 81104960]

約数ペア:

[(1, 81104960), (2, 40552480), (4, 20276240), (5, 16220992), (8, 10138120), (10, 8110496), (16, 5069060), (17, 4770880), (20, 4055248), (32, 2534530), (34, 2385440), (40, 2027624), (64, 1267265), (68, 1192720), (80, 1013812), (85, 954176), (136, 596360), (160, 506906), (170, 477088), (272, 298180), (289, 280640), (320, 253453), (340, 238544), (544, 149090), (578, 140320), (680, 119272), (877, 92480), (1088, 74545), (1156, 70160), (1360, 59636), (1445, 56128), (1754, 46240), (2312, 35080), (2720, 29818), (2890, 28064), (3508, 23120), (4385, 18496), (4624, 17540), (5440, 14909), (5780, 14032), (7016, 11560), (8770, 9248)]