71488740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 214220160

約数和(自身を除く): 142731420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 109, 170, 204, 218, 255, 327, 340, 436, 510, 545, 643, 654, 1020, 1090, 1286, 1308, 1635, 1853, 1929, 2180, 2572, 3215, 3270, 3706, 3858, 5559, 6430, 6540, 7412, 7716, 9265, 9645, 10931, 11118, 12860, 18530, 19290, 21862, 22236, 27795, 32793, 37060, 38580, 43724, 54655, 55590, 65586, 70087, 109310, 111180, 131172, 140174, 163965, 210261, 218620, 280348, 327930, 350435, 420522, 655860, 700870, 841044, 1051305, 1191479, 1401740, 2102610, 2382958, 3574437, 4205220, 4765916, 5957395, 7148874, 11914790, 14297748, 17872185, 23829580, 35744370, 71488740]

約数ペア:

[(1, 71488740), (2, 35744370), (3, 23829580), (4, 17872185), (5, 14297748), (6, 11914790), (10, 7148874), (12, 5957395), (15, 4765916), (17, 4205220), (20, 3574437), (30, 2382958), (34, 2102610), (51, 1401740), (60, 1191479), (68, 1051305), (85, 841044), (102, 700870), (109, 655860), (170, 420522), (204, 350435), (218, 327930), (255, 280348), (327, 218620), (340, 210261), (436, 163965), (510, 140174), (545, 131172), (643, 111180), (654, 109310), (1020, 70087), (1090, 65586), (1286, 55590), (1308, 54655), (1635, 43724), (1853, 38580), (1929, 37060), (2180, 32793), (2572, 27795), (3215, 22236), (3270, 21862), (3706, 19290), (3858, 18530), (5559, 12860), (6430, 11118), (6540, 10931), (7412, 9645), (7716, 9265)]