51031260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 179105472

約数和(自身を除く): 128074212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 202, 210, 252, 303, 315, 401, 404, 420, 505, 606, 630, 707, 802, 909, 1010, 1203, 1212, 1260, 1414, 1515, 1604, 1818, 2005, 2020, 2121, 2406, 2807, 2828, 3030, 3535, 3609, 3636, 4010, 4242, 4545, 4812, 5614, 6015, 6060, 6363, 7070, 7218, 8020, 8421, 8484, 9090, 10605, 11228, 12030, 12726, 14035, 14140, 14436, 16842, 18045, 18180, 21210, 24060, 25263, 25452, 28070, 31815, 33684, 36090, 40501, 42105, 42420, 50526, 56140, 63630, 72180, 81002, 84210, 101052, 121503, 126315, 127260, 162004, 168420, 202505, 243006, 252630, 283507, 364509, 405010, 486012, 505260, 567014, 607515, 729018, 810020, 850521, 1134028, 1215030, 1417535, 1458036, 1701042, 1822545, 2430060, 2551563, 2835070, 3402084, 3645090, 4252605, 5103126, 5670140, 7290180, 8505210, 10206252, 12757815, 17010420, 25515630, 51031260]

約数ペア:

[(1, 51031260), (2, 25515630), (3, 17010420), (4, 12757815), (5, 10206252), (6, 8505210), (7, 7290180), (9, 5670140), (10, 5103126), (12, 4252605), (14, 3645090), (15, 3402084), (18, 2835070), (20, 2551563), (21, 2430060), (28, 1822545), (30, 1701042), (35, 1458036), (36, 1417535), (42, 1215030), (45, 1134028), (60, 850521), (63, 810020), (70, 729018), (84, 607515), (90, 567014), (101, 505260), (105, 486012), (126, 405010), (140, 364509), (180, 283507), (202, 252630), (210, 243006), (252, 202505), (303, 168420), (315, 162004), (401, 127260), (404, 126315), (420, 121503), (505, 101052), (606, 84210), (630, 81002), (707, 72180), (802, 63630), (909, 56140), (1010, 50526), (1203, 42420), (1212, 42105), (1260, 40501), (1414, 36090), (1515, 33684), (1604, 31815), (1818, 28070), (2005, 25452), (2020, 25263), (2121, 24060), (2406, 21210), (2807, 18180), (2828, 18045), (3030, 16842), (3535, 14436), (3609, 14140), (3636, 14035), (4010, 12726), (4242, 12030), (4545, 11228), (4812, 10605), (5614, 9090), (6015, 8484), (6060, 8421), (6363, 8020), (7070, 7218)]