628381320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4133}}^1$

素因数の和:4335

約数の個数: 128

約数和(自身を含む): 2166877440

約数和(自身を除く): 1538496120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1448, 1810, 2172, 2534, 2715, 3620, 3801, 4133, 4344, 5068, 5430, 6335, 7240, 7602, 8266, 10136, 10860, 12399, 12670, 15204, 16532, 19005, 20665, 21720, 24798, 25340, 28931, 30408, 33064, 38010, 41330, 49596, 50680, 57862, 61995, 76020, 82660, 86793, 99192, 115724, 123990, 144655, 152040, 165320, 173586, 231448, 247980, 289310, 347172, 433965, 495960, 578620, 694344, 748073, 867930, 1157240, 1496146, 1735860, 2244219, 2992292, 3471720, 3740365, 4488438, 5236511, 5984584, 7480730, 8976876, 10473022, 11221095, 14961460, 15709533, 17953752, 20946044, 22442190, 26182555, 29922920, 31419066, 41892088, 44884380, 52365110, 62838132, 78547665, 89768760, 104730220, 125676264, 157095330, 209460440, 314190660, 628381320]

約数ペア:

[(1, 628381320), (2, 314190660), (3, 209460440), (4, 157095330), (5, 125676264), (6, 104730220), (7, 89768760), (8, 78547665), (10, 62838132), (12, 52365110), (14, 44884380), (15, 41892088), (20, 31419066), (21, 29922920), (24, 26182555), (28, 22442190), (30, 20946044), (35, 17953752), (40, 15709533), (42, 14961460), (56, 11221095), (60, 10473022), (70, 8976876), (84, 7480730), (105, 5984584), (120, 5236511), (140, 4488438), (168, 3740365), (181, 3471720), (210, 2992292), (280, 2244219), (362, 1735860), (420, 1496146), (543, 1157240), (724, 867930), (840, 748073), (905, 694344), (1086, 578620), (1267, 495960), (1448, 433965), (1810, 347172), (2172, 289310), (2534, 247980), (2715, 231448), (3620, 173586), (3801, 165320), (4133, 152040), (4344, 144655), (5068, 123990), (5430, 115724), (6335, 99192), (7240, 86793), (7602, 82660), (8266, 76020), (10136, 61995), (10860, 57862), (12399, 50680), (12670, 49596), (15204, 41330), (16532, 38010), (19005, 33064), (20665, 30408), (21720, 28931), (24798, 25340)]