261716580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10613}}^1$

素因数の和:10765

約数の個数: 72

約数和(自身を含む): 799743672

約数和(自身を除く): 538027092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 10613, 12330, 21226, 24660, 31839, 42452, 53065, 63678, 95517, 106130, 127356, 159195, 191034, 212260, 318390, 382068, 477585, 636780, 955170, 1453981, 1910340, 2907962, 4361943, 5815924, 7269905, 8723886, 13085829, 14539810, 17447772, 21809715, 26171658, 29079620, 43619430, 52343316, 65429145, 87238860, 130858290, 261716580]

約数ペア:

[(1, 261716580), (2, 130858290), (3, 87238860), (4, 65429145), (5, 52343316), (6, 43619430), (9, 29079620), (10, 26171658), (12, 21809715), (15, 17447772), (18, 14539810), (20, 13085829), (30, 8723886), (36, 7269905), (45, 5815924), (60, 4361943), (90, 2907962), (137, 1910340), (180, 1453981), (274, 955170), (411, 636780), (548, 477585), (685, 382068), (822, 318390), (1233, 212260), (1370, 191034), (1644, 159195), (2055, 127356), (2466, 106130), (2740, 95517), (4110, 63678), (4932, 53065), (6165, 42452), (8220, 31839), (10613, 24660), (12330, 21226)]