71851560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 243388800

約数和(自身を除く): 171537240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1877, 1914, 2552, 3190, 3480, 3754, 3828, 4785, 5631, 6380, 7508, 7656, 9385, 9570, 11262, 12760, 15016, 18770, 19140, 20647, 22524, 28155, 37540, 38280, 41294, 45048, 54433, 56310, 61941, 75080, 82588, 103235, 108866, 112620, 123882, 163299, 165176, 206470, 217732, 225240, 247764, 272165, 309705, 326598, 412940, 435464, 495528, 544330, 598763, 619410, 653196, 816495, 825880, 1088660, 1197526, 1238820, 1306392, 1632990, 1796289, 2177320, 2395052, 2477640, 2993815, 3265980, 3592578, 4790104, 5987630, 6531960, 7185156, 8981445, 11975260, 14370312, 17962890, 23950520, 35925780, 71851560]

約数ペア:

[(1, 71851560), (2, 35925780), (3, 23950520), (4, 17962890), (5, 14370312), (6, 11975260), (8, 8981445), (10, 7185156), (11, 6531960), (12, 5987630), (15, 4790104), (20, 3592578), (22, 3265980), (24, 2993815), (29, 2477640), (30, 2395052), (33, 2177320), (40, 1796289), (44, 1632990), (55, 1306392), (58, 1238820), (60, 1197526), (66, 1088660), (87, 825880), (88, 816495), (110, 653196), (116, 619410), (120, 598763), (132, 544330), (145, 495528), (165, 435464), (174, 412940), (220, 326598), (232, 309705), (264, 272165), (290, 247764), (319, 225240), (330, 217732), (348, 206470), (435, 165176), (440, 163299), (580, 123882), (638, 112620), (660, 108866), (696, 103235), (870, 82588), (957, 75080), (1160, 61941), (1276, 56310), (1320, 54433), (1595, 45048), (1740, 41294), (1877, 38280), (1914, 37540), (2552, 28155), (3190, 22524), (3480, 20647), (3754, 19140), (3828, 18770), (4785, 15016), (5631, 12760), (6380, 11262), (7508, 9570), (7656, 9385)]