1520954980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1\times {\mathrm{971}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 3408967296

約数和(自身を除く): 1888012316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 271, 289, 340, 542, 578, 971, 1084, 1156, 1355, 1445, 1942, 2710, 2890, 3884, 4607, 4855, 5420, 5780, 9214, 9710, 16507, 18428, 19420, 23035, 33014, 46070, 66028, 78319, 82535, 92140, 156638, 165070, 263141, 280619, 313276, 330140, 391595, 526282, 561238, 783190, 1052564, 1122476, 1315705, 1403095, 1566380, 2631410, 2806190, 4473397, 5262820, 5612380, 8946794, 17893588, 22366985, 44733970, 76047749, 89467940, 152095498, 304190996, 380238745, 760477490, 1520954980]

約数ペア:

[(1, 1520954980), (2, 760477490), (4, 380238745), (5, 304190996), (10, 152095498), (17, 89467940), (20, 76047749), (34, 44733970), (68, 22366985), (85, 17893588), (170, 8946794), (271, 5612380), (289, 5262820), (340, 4473397), (542, 2806190), (578, 2631410), (971, 1566380), (1084, 1403095), (1156, 1315705), (1355, 1122476), (1445, 1052564), (1942, 783190), (2710, 561238), (2890, 526282), (3884, 391595), (4607, 330140), (4855, 313276), (5420, 280619), (5780, 263141), (9214, 165070), (9710, 156638), (16507, 92140), (18428, 82535), (19420, 78319), (23035, 66028), (33014, 46070)]