28260360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 95385600

約数和(自身を除く): 67125240

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, 137, 180, 191, 216, 270, 274, 360, 382, 411, 540, 548, 573, 685, 764, 822, 955, 1080, 1096, 1146, 1233, 1370, 1528, 1644, 1719, 1910, 2055, 2292, 2466, 2740, 2865, 3288, 3438, 3699, 3820, 4110, 4584, 4932, 5157, 5480, 5730, 6165, 6876, 7398, 7640, 8220, 8595, 9864, 10314, 11460, 12330, 13752, 14796, 16440, 17190, 18495, 20628, 22920, 24660, 25785, 26167, 29592, 34380, 36990, 41256, 49320, 51570, 52334, 68760, 73980, 78501, 103140, 104668, 130835, 147960, 157002, 206280, 209336, 235503, 261670, 314004, 392505, 471006, 523340, 628008, 706509, 785010, 942012, 1046680, 1177515, 1413018, 1570020, 1884024, 2355030, 2826036, 3140040, 3532545, 4710060, 5652072, 7065090, 9420120, 14130180, 28260360]

約数ペア:

[(1, 28260360), (2, 14130180), (3, 9420120), (4, 7065090), (5, 5652072), (6, 4710060), (8, 3532545), (9, 3140040), (10, 2826036), (12, 2355030), (15, 1884024), (18, 1570020), (20, 1413018), (24, 1177515), (27, 1046680), (30, 942012), (36, 785010), (40, 706509), (45, 628008), (54, 523340), (60, 471006), (72, 392505), (90, 314004), (108, 261670), (120, 235503), (135, 209336), (137, 206280), (180, 157002), (191, 147960), (216, 130835), (270, 104668), (274, 103140), (360, 78501), (382, 73980), (411, 68760), (540, 52334), (548, 51570), (573, 49320), (685, 41256), (764, 36990), (822, 34380), (955, 29592), (1080, 26167), (1096, 25785), (1146, 24660), (1233, 22920), (1370, 20628), (1528, 18495), (1644, 17190), (1719, 16440), (1910, 14796), (2055, 13752), (2292, 12330), (2466, 11460), (2740, 10314), (2865, 9864), (3288, 8595), (3438, 8220), (3699, 7640), (3820, 7398), (4110, 6876), (4584, 6165), (4932, 5730), (5157, 5480)]