721221840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{881}}^1$

素因数の和:1282

約数の個数: 160

約数和(自身を含む): 2493590400

約数和(自身を除く): 1772368560

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, 144, 180, 216, 240, 270, 360, 379, 432, 540, 720, 758, 881, 1080, 1137, 1516, 1762, 1895, 2160, 2274, 2643, 3032, 3411, 3524, 3790, 4405, 4548, 5286, 5685, 6064, 6822, 7048, 7580, 7929, 8810, 9096, 10233, 10572, 11370, 13215, 13644, 14096, 15160, 15858, 17055, 17620, 18192, 20466, 21144, 22740, 23787, 26430, 27288, 30320, 31716, 34110, 35240, 39645, 40932, 42288, 45480, 47574, 51165, 52860, 54576, 63432, 68220, 70480, 79290, 81864, 90960, 95148, 102330, 105720, 118935, 126864, 136440, 158580, 163728, 190296, 204660, 211440, 237870, 272880, 317160, 333899, 380592, 409320, 475740, 634320, 667798, 818640, 951480, 1001697, 1335596, 1669495, 1902960, 2003394, 2671192, 3005091, 3338990, 4006788, 5008485, 5342384, 6010182, 6677980, 8013576, 9015273, 10016970, 12020364, 13355960, 15025455, 16027152, 18030546, 20033940, 24040728, 26711920, 30050910, 36061092, 40067880, 45076365, 48081456, 60101820, 72122184, 80135760, 90152730, 120203640, 144244368, 180305460, 240407280, 360610920, 721221840]

約数ペア:

[(1, 721221840), (2, 360610920), (3, 240407280), (4, 180305460), (5, 144244368), (6, 120203640), (8, 90152730), (9, 80135760), (10, 72122184), (12, 60101820), (15, 48081456), (16, 45076365), (18, 40067880), (20, 36061092), (24, 30050910), (27, 26711920), (30, 24040728), (36, 20033940), (40, 18030546), (45, 16027152), (48, 15025455), (54, 13355960), (60, 12020364), (72, 10016970), (80, 9015273), (90, 8013576), (108, 6677980), (120, 6010182), (135, 5342384), (144, 5008485), (180, 4006788), (216, 3338990), (240, 3005091), (270, 2671192), (360, 2003394), (379, 1902960), (432, 1669495), (540, 1335596), (720, 1001697), (758, 951480), (881, 818640), (1080, 667798), (1137, 634320), (1516, 475740), (1762, 409320), (1895, 380592), (2160, 333899), (2274, 317160), (2643, 272880), (3032, 237870), (3411, 211440), (3524, 204660), (3790, 190296), (4405, 163728), (4548, 158580), (5286, 136440), (5685, 126864), (6064, 118935), (6822, 105720), (7048, 102330), (7580, 95148), (7929, 90960), (8810, 81864), (9096, 79290), (10233, 70480), (10572, 68220), (11370, 63432), (13215, 54576), (13644, 52860), (14096, 51165), (15160, 47574), (15858, 45480), (17055, 42288), (17620, 40932), (18192, 39645), (20466, 35240), (21144, 34110), (22740, 31716), (23787, 30320), (26430, 27288)]