319905720

素因数分解:

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

素因数の和:2290

約数の個数: 128

約数和(自身を含む): 1074528000

約数和(自身を除く): 754622280

約数列:

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

約数ペア:

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