578983280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 120

約数和(自身を含む): 1476106416

約数和(自身を除く): 897123136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 443, 496, 527, 620, 680, 886, 961, 1054, 1240, 1360, 1772, 1922, 2108, 2215, 2480, 2635, 3544, 3844, 4216, 4430, 4805, 5270, 7088, 7531, 7688, 8432, 8860, 9610, 10540, 13733, 15062, 15376, 16337, 17720, 19220, 21080, 27466, 30124, 32674, 35440, 37655, 38440, 42160, 54932, 60248, 65348, 68665, 75310, 76880, 81685, 109864, 120496, 130696, 137330, 150620, 163370, 219728, 233461, 261392, 274660, 301240, 326740, 425723, 466922, 549320, 602480, 653480, 851446, 933844, 1098640, 1167305, 1306960, 1702892, 1867688, 2128615, 2334610, 3405784, 3735376, 4257230, 4669220, 6811568, 7237291, 8514460, 9338440, 14474582, 17028920, 18676880, 28949164, 34057840, 36186455, 57898328, 72372910, 115796656, 144745820, 289491640, 578983280]

約数ペア:

[(1, 578983280), (2, 289491640), (4, 144745820), (5, 115796656), (8, 72372910), (10, 57898328), (16, 36186455), (17, 34057840), (20, 28949164), (31, 18676880), (34, 17028920), (40, 14474582), (62, 9338440), (68, 8514460), (80, 7237291), (85, 6811568), (124, 4669220), (136, 4257230), (155, 3735376), (170, 3405784), (248, 2334610), (272, 2128615), (310, 1867688), (340, 1702892), (443, 1306960), (496, 1167305), (527, 1098640), (620, 933844), (680, 851446), (886, 653480), (961, 602480), (1054, 549320), (1240, 466922), (1360, 425723), (1772, 326740), (1922, 301240), (2108, 274660), (2215, 261392), (2480, 233461), (2635, 219728), (3544, 163370), (3844, 150620), (4216, 137330), (4430, 130696), (4805, 120496), (5270, 109864), (7088, 81685), (7531, 76880), (7688, 75310), (8432, 68665), (8860, 65348), (9610, 60248), (10540, 54932), (13733, 42160), (15062, 38440), (15376, 37655), (16337, 35440), (17720, 32674), (19220, 30124), (21080, 27466)]