16162020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 57028608

約数和(自身を除く): 40866588

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, 127, 140, 180, 202, 210, 252, 254, 303, 315, 381, 404, 420, 505, 508, 606, 630, 635, 707, 762, 889, 909, 1010, 1143, 1212, 1260, 1270, 1414, 1515, 1524, 1778, 1818, 1905, 2020, 2121, 2286, 2540, 2667, 2828, 3030, 3535, 3556, 3636, 3810, 4242, 4445, 4545, 4572, 5334, 5715, 6060, 6363, 7070, 7620, 8001, 8484, 8890, 9090, 10605, 10668, 11430, 12726, 12827, 13335, 14140, 16002, 17780, 18180, 21210, 22860, 25452, 25654, 26670, 31815, 32004, 38481, 40005, 42420, 51308, 53340, 63630, 64135, 76962, 80010, 89789, 115443, 127260, 128270, 153924, 160020, 179578, 192405, 230886, 256540, 269367, 359156, 384810, 448945, 461772, 538734, 577215, 769620, 808101, 897890, 1077468, 1154430, 1346835, 1616202, 1795780, 2308860, 2693670, 3232404, 4040505, 5387340, 8081010, 16162020]

約数ペア:

[(1, 16162020), (2, 8081010), (3, 5387340), (4, 4040505), (5, 3232404), (6, 2693670), (7, 2308860), (9, 1795780), (10, 1616202), (12, 1346835), (14, 1154430), (15, 1077468), (18, 897890), (20, 808101), (21, 769620), (28, 577215), (30, 538734), (35, 461772), (36, 448945), (42, 384810), (45, 359156), (60, 269367), (63, 256540), (70, 230886), (84, 192405), (90, 179578), (101, 160020), (105, 153924), (126, 128270), (127, 127260), (140, 115443), (180, 89789), (202, 80010), (210, 76962), (252, 64135), (254, 63630), (303, 53340), (315, 51308), (381, 42420), (404, 40005), (420, 38481), (505, 32004), (508, 31815), (606, 26670), (630, 25654), (635, 25452), (707, 22860), (762, 21210), (889, 18180), (909, 17780), (1010, 16002), (1143, 14140), (1212, 13335), (1260, 12827), (1270, 12726), (1414, 11430), (1515, 10668), (1524, 10605), (1778, 9090), (1818, 8890), (1905, 8484), (2020, 8001), (2121, 7620), (2286, 7070), (2540, 6363), (2667, 6060), (2828, 5715), (3030, 5334), (3535, 4572), (3556, 4545), (3636, 4445), (3810, 4242)]