257721480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3452

約数の個数: 128

約数和(自身を含む): 871430400

約数和(自身を除く): 613708920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2840, 3195, 3361, 3834, 4260, 5112, 6390, 6722, 7668, 8520, 9585, 10083, 12780, 13444, 15336, 16805, 19170, 20166, 25560, 26888, 30249, 33610, 38340, 40332, 50415, 60498, 67220, 76680, 80664, 90747, 100830, 120996, 134440, 151245, 181494, 201660, 238631, 241992, 302490, 362988, 403320, 453735, 477262, 604980, 715893, 725976, 907470, 954524, 1193155, 1209960, 1431786, 1814940, 1909048, 2147679, 2386310, 2863572, 3579465, 3629880, 4295358, 4772620, 5727144, 6443037, 7158930, 8590716, 9545240, 10738395, 12886074, 14317860, 17181432, 21476790, 25772148, 28635720, 32215185, 42953580, 51544296, 64430370, 85907160, 128860740, 257721480]

約数ペア:

[(1, 257721480), (2, 128860740), (3, 85907160), (4, 64430370), (5, 51544296), (6, 42953580), (8, 32215185), (9, 28635720), (10, 25772148), (12, 21476790), (15, 17181432), (18, 14317860), (20, 12886074), (24, 10738395), (27, 9545240), (30, 8590716), (36, 7158930), (40, 6443037), (45, 5727144), (54, 4772620), (60, 4295358), (71, 3629880), (72, 3579465), (90, 2863572), (108, 2386310), (120, 2147679), (135, 1909048), (142, 1814940), (180, 1431786), (213, 1209960), (216, 1193155), (270, 954524), (284, 907470), (355, 725976), (360, 715893), (426, 604980), (540, 477262), (568, 453735), (639, 403320), (710, 362988), (852, 302490), (1065, 241992), (1080, 238631), (1278, 201660), (1420, 181494), (1704, 151245), (1917, 134440), (2130, 120996), (2556, 100830), (2840, 90747), (3195, 80664), (3361, 76680), (3834, 67220), (4260, 60498), (5112, 50415), (6390, 40332), (6722, 38340), (7668, 33610), (8520, 30249), (9585, 26888), (10083, 25560), (12780, 20166), (13444, 19170), (15336, 16805)]