81291774360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2097311}}^1$

素因数の和:2097361

約数の個数: 128

約数和(自身を含む): 271811635200

約数和(自身を除く): 190519860840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 38760, 2097311, 4194622, 6291933, 8389244, 10486555, 12583866, 16778488, 20973110, 25167732, 31459665, 35654287, 39848909, 41946220, 50335464, 62919330, 71308574, 79697818, 83892440, 106962861, 119546727, 125838660, 142617148, 159395636, 178271435, 199244545, 213925722, 239093454, 251677320, 285234296, 318791272, 356542870, 398489090, 427851444, 478186908, 534814305, 597733635, 677431453, 713085740, 796978180, 855702888, 956373816, 1069628610, 1195467270, 1354862906, 1426171480, 1593956360, 2032294359, 2139257220, 2390934540, 2709725812, 3387157265, 4064588718, 4278514440, 4781869080, 5419451624, 6774314530, 8129177436, 10161471795, 13548629060, 16258354872, 20322943590, 27097258120, 40645887180, 81291774360]

約数ペア:

[(1, 81291774360), (2, 40645887180), (3, 27097258120), (4, 20322943590), (5, 16258354872), (6, 13548629060), (8, 10161471795), (10, 8129177436), (12, 6774314530), (15, 5419451624), (17, 4781869080), (19, 4278514440), (20, 4064588718), (24, 3387157265), (30, 2709725812), (34, 2390934540), (38, 2139257220), (40, 2032294359), (51, 1593956360), (57, 1426171480), (60, 1354862906), (68, 1195467270), (76, 1069628610), (85, 956373816), (95, 855702888), (102, 796978180), (114, 713085740), (120, 677431453), (136, 597733635), (152, 534814305), (170, 478186908), (190, 427851444), (204, 398489090), (228, 356542870), (255, 318791272), (285, 285234296), (323, 251677320), (340, 239093454), (380, 213925722), (408, 199244545), (456, 178271435), (510, 159395636), (570, 142617148), (646, 125838660), (680, 119546727), (760, 106962861), (969, 83892440), (1020, 79697818), (1140, 71308574), (1292, 62919330), (1615, 50335464), (1938, 41946220), (2040, 39848909), (2280, 35654287), (2584, 31459665), (3230, 25167732), (3876, 20973110), (4845, 16778488), (6460, 12583866), (7752, 10486555), (9690, 8389244), (12920, 6291933), (19380, 4194622), (38760, 2097311)]