82771220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 222418560

約数和(自身を除く): 139647340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 37, 38, 58, 70, 74, 76, 95, 116, 133, 140, 145, 148, 185, 190, 203, 259, 266, 290, 370, 380, 406, 518, 532, 551, 580, 665, 703, 740, 812, 841, 1015, 1036, 1073, 1102, 1295, 1330, 1406, 1682, 2030, 2146, 2204, 2590, 2660, 2755, 2812, 3364, 3515, 3857, 4060, 4205, 4292, 4921, 5180, 5365, 5510, 5887, 7030, 7511, 7714, 8410, 9842, 10730, 11020, 11774, 14060, 15022, 15428, 15979, 16820, 19285, 19684, 20387, 21460, 23548, 24605, 29435, 30044, 31117, 31958, 37555, 38570, 40774, 49210, 58870, 62234, 63916, 75110, 77140, 79895, 81548, 98420, 101935, 111853, 117740, 124468, 142709, 150220, 155585, 159790, 203870, 217819, 223706, 285418, 311170, 319580, 407740, 435638, 447412, 559265, 570836, 591223, 622340, 713545, 871276, 1089095, 1118530, 1182446, 1427090, 2178190, 2237060, 2364892, 2854180, 2956115, 4138561, 4356380, 5912230, 8277122, 11824460, 16554244, 20692805, 41385610, 82771220]

約数ペア:

[(1, 82771220), (2, 41385610), (4, 20692805), (5, 16554244), (7, 11824460), (10, 8277122), (14, 5912230), (19, 4356380), (20, 4138561), (28, 2956115), (29, 2854180), (35, 2364892), (37, 2237060), (38, 2178190), (58, 1427090), (70, 1182446), (74, 1118530), (76, 1089095), (95, 871276), (116, 713545), (133, 622340), (140, 591223), (145, 570836), (148, 559265), (185, 447412), (190, 435638), (203, 407740), (259, 319580), (266, 311170), (290, 285418), (370, 223706), (380, 217819), (406, 203870), (518, 159790), (532, 155585), (551, 150220), (580, 142709), (665, 124468), (703, 117740), (740, 111853), (812, 101935), (841, 98420), (1015, 81548), (1036, 79895), (1073, 77140), (1102, 75110), (1295, 63916), (1330, 62234), (1406, 58870), (1682, 49210), (2030, 40774), (2146, 38570), (2204, 37555), (2590, 31958), (2660, 31117), (2755, 30044), (2812, 29435), (3364, 24605), (3515, 23548), (3857, 21460), (4060, 20387), (4205, 19684), (4292, 19285), (4921, 16820), (5180, 15979), (5365, 15428), (5510, 15022), (5887, 14060), (7030, 11774), (7511, 11020), (7714, 10730), (8410, 9842)]