81366360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 259891200

約数和(自身を除く): 178524840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 228, 254, 281, 285, 380, 381, 456, 508, 562, 570, 635, 760, 762, 843, 1016, 1124, 1140, 1270, 1405, 1524, 1686, 1905, 2248, 2280, 2413, 2540, 2810, 3048, 3372, 3810, 4215, 4826, 5080, 5339, 5620, 6744, 7239, 7620, 8430, 9652, 10678, 11240, 12065, 14478, 15240, 16017, 16860, 19304, 21356, 24130, 26695, 28956, 32034, 33720, 35687, 36195, 42712, 48260, 53390, 57912, 64068, 71374, 72390, 80085, 96520, 106780, 107061, 128136, 142748, 144780, 160170, 178435, 213560, 214122, 285496, 289560, 320340, 356870, 428244, 535305, 640680, 678053, 713740, 856488, 1070610, 1356106, 1427480, 2034159, 2141220, 2712212, 3390265, 4068318, 4282440, 5424424, 6780530, 8136636, 10170795, 13561060, 16273272, 20341590, 27122120, 40683180, 81366360]

約数ペア:

[(1, 81366360), (2, 40683180), (3, 27122120), (4, 20341590), (5, 16273272), (6, 13561060), (8, 10170795), (10, 8136636), (12, 6780530), (15, 5424424), (19, 4282440), (20, 4068318), (24, 3390265), (30, 2712212), (38, 2141220), (40, 2034159), (57, 1427480), (60, 1356106), (76, 1070610), (95, 856488), (114, 713740), (120, 678053), (127, 640680), (152, 535305), (190, 428244), (228, 356870), (254, 320340), (281, 289560), (285, 285496), (380, 214122), (381, 213560), (456, 178435), (508, 160170), (562, 144780), (570, 142748), (635, 128136), (760, 107061), (762, 106780), (843, 96520), (1016, 80085), (1124, 72390), (1140, 71374), (1270, 64068), (1405, 57912), (1524, 53390), (1686, 48260), (1905, 42712), (2248, 36195), (2280, 35687), (2413, 33720), (2540, 32034), (2810, 28956), (3048, 26695), (3372, 24130), (3810, 21356), (4215, 19304), (4826, 16860), (5080, 16017), (5339, 15240), (5620, 14478), (6744, 12065), (7239, 11240), (7620, 10678), (8430, 9652)]