1440027960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{5087}}^1$

素因数の和:5445

約数の個数: 128

約数和(自身を含む): 4952862720

約数和(自身を除く): 3512834760

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, 210, 280, 337, 420, 674, 840, 1011, 1348, 1685, 2022, 2359, 2696, 3370, 4044, 4718, 5055, 5087, 6740, 7077, 8088, 9436, 10110, 10174, 11795, 13480, 14154, 15261, 18872, 20220, 20348, 23590, 25435, 28308, 30522, 35385, 35609, 40440, 40696, 47180, 50870, 56616, 61044, 70770, 71218, 76305, 94360, 101740, 106827, 122088, 141540, 142436, 152610, 178045, 203480, 213654, 283080, 284872, 305220, 356090, 427308, 534135, 610440, 712180, 854616, 1068270, 1424360, 1714319, 2136540, 3428638, 4273080, 5142957, 6857276, 8571595, 10285914, 12000233, 13714552, 17143190, 20571828, 24000466, 25714785, 34286380, 36000699, 41143656, 48000932, 51429570, 60001165, 68572760, 72001398, 96001864, 102859140, 120002330, 144002796, 180003495, 205718280, 240004660, 288005592, 360006990, 480009320, 720013980, 1440027960]

約数ペア:

[(1, 1440027960), (2, 720013980), (3, 480009320), (4, 360006990), (5, 288005592), (6, 240004660), (7, 205718280), (8, 180003495), (10, 144002796), (12, 120002330), (14, 102859140), (15, 96001864), (20, 72001398), (21, 68572760), (24, 60001165), (28, 51429570), (30, 48000932), (35, 41143656), (40, 36000699), (42, 34286380), (56, 25714785), (60, 24000466), (70, 20571828), (84, 17143190), (105, 13714552), (120, 12000233), (140, 10285914), (168, 8571595), (210, 6857276), (280, 5142957), (337, 4273080), (420, 3428638), (674, 2136540), (840, 1714319), (1011, 1424360), (1348, 1068270), (1685, 854616), (2022, 712180), (2359, 610440), (2696, 534135), (3370, 427308), (4044, 356090), (4718, 305220), (5055, 284872), (5087, 283080), (6740, 213654), (7077, 203480), (8088, 178045), (9436, 152610), (10110, 142436), (10174, 141540), (11795, 122088), (13480, 106827), (14154, 101740), (15261, 94360), (18872, 76305), (20220, 71218), (20348, 70770), (23590, 61044), (25435, 56616), (28308, 50870), (30522, 47180), (35385, 40696), (35609, 40440)]