639811440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2292

約数の個数: 160

約数和(自身を含む): 2220691200

約数和(自身を除く): 1580879760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 139, 144, 180, 216, 240, 270, 278, 360, 417, 432, 540, 556, 695, 720, 834, 1080, 1112, 1251, 1390, 1668, 2085, 2131, 2160, 2224, 2502, 2780, 3336, 3753, 4170, 4262, 5004, 5560, 6255, 6393, 6672, 7506, 8340, 8524, 10008, 10655, 11120, 12510, 12786, 15012, 16680, 17048, 18765, 19179, 20016, 21310, 25020, 25572, 30024, 31965, 33360, 34096, 37530, 38358, 42620, 50040, 51144, 57537, 60048, 63930, 75060, 76716, 85240, 95895, 100080, 102288, 115074, 127860, 150120, 153432, 170480, 191790, 230148, 255720, 287685, 296209, 300240, 306864, 383580, 460296, 511440, 575370, 592418, 767160, 888627, 920592, 1150740, 1184836, 1481045, 1534320, 1777254, 2301480, 2369672, 2665881, 2962090, 3554508, 4443135, 4602960, 4739344, 5331762, 5924180, 7109016, 7997643, 8886270, 10663524, 11848360, 13329405, 14218032, 15995286, 17772540, 21327048, 23696720, 26658810, 31990572, 35545080, 39988215, 42654096, 53317620, 63981144, 71090160, 79976430, 106635240, 127962288, 159952860, 213270480, 319905720, 639811440]

約数ペア:

[(1, 639811440), (2, 319905720), (3, 213270480), (4, 159952860), (5, 127962288), (6, 106635240), (8, 79976430), (9, 71090160), (10, 63981144), (12, 53317620), (15, 42654096), (16, 39988215), (18, 35545080), (20, 31990572), (24, 26658810), (27, 23696720), (30, 21327048), (36, 17772540), (40, 15995286), (45, 14218032), (48, 13329405), (54, 11848360), (60, 10663524), (72, 8886270), (80, 7997643), (90, 7109016), (108, 5924180), (120, 5331762), (135, 4739344), (139, 4602960), (144, 4443135), (180, 3554508), (216, 2962090), (240, 2665881), (270, 2369672), (278, 2301480), (360, 1777254), (417, 1534320), (432, 1481045), (540, 1184836), (556, 1150740), (695, 920592), (720, 888627), (834, 767160), (1080, 592418), (1112, 575370), (1251, 511440), (1390, 460296), (1668, 383580), (2085, 306864), (2131, 300240), (2160, 296209), (2224, 287685), (2502, 255720), (2780, 230148), (3336, 191790), (3753, 170480), (4170, 153432), (4262, 150120), (5004, 127860), (5560, 115074), (6255, 102288), (6393, 100080), (6672, 95895), (7506, 85240), (8340, 76716), (8524, 75060), (10008, 63930), (10655, 60048), (11120, 57537), (12510, 51144), (12786, 50040), (15012, 42620), (16680, 38358), (17048, 37530), (18765, 34096), (19179, 33360), (20016, 31965), (21310, 30024), (25020, 25572)]