2489988720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{1031}}^1$

素因数の和:1423

約数の個数: 160

約数和(自身を含む): 8015915520

約数和(自身を除く): 5525926800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 347, 348, 435, 464, 580, 694, 696, 870, 1031, 1041, 1160, 1388, 1392, 1735, 1740, 2062, 2082, 2320, 2776, 3093, 3470, 3480, 4124, 4164, 5155, 5205, 5552, 6186, 6940, 6960, 8248, 8328, 10063, 10310, 10410, 12372, 13880, 15465, 16496, 16656, 20126, 20620, 20820, 24744, 27760, 29899, 30189, 30930, 40252, 41240, 41640, 49488, 50315, 59798, 60378, 61860, 80504, 82480, 83280, 89697, 100630, 119596, 120756, 123720, 149495, 150945, 161008, 179394, 201260, 239192, 241512, 247440, 298990, 301890, 357757, 358788, 402520, 448485, 478384, 483024, 597980, 603780, 715514, 717576, 805040, 896970, 1073271, 1195960, 1207560, 1431028, 1435152, 1788785, 1793940, 2146542, 2391920, 2415120, 2862056, 3577570, 3587880, 4293084, 5366355, 5724112, 7155140, 7175760, 8586168, 10374953, 10732710, 14310280, 17172336, 20749906, 21465420, 28620560, 31124859, 41499812, 42930840, 51874765, 62249718, 82999624, 85861680, 103749530, 124499436, 155624295, 165999248, 207499060, 248998872, 311248590, 414998120, 497997744, 622497180, 829996240, 1244994360, 2489988720]

約数ペア:

[(1, 2489988720), (2, 1244994360), (3, 829996240), (4, 622497180), (5, 497997744), (6, 414998120), (8, 311248590), (10, 248998872), (12, 207499060), (15, 165999248), (16, 155624295), (20, 124499436), (24, 103749530), (29, 85861680), (30, 82999624), (40, 62249718), (48, 51874765), (58, 42930840), (60, 41499812), (80, 31124859), (87, 28620560), (116, 21465420), (120, 20749906), (145, 17172336), (174, 14310280), (232, 10732710), (240, 10374953), (290, 8586168), (347, 7175760), (348, 7155140), (435, 5724112), (464, 5366355), (580, 4293084), (694, 3587880), (696, 3577570), (870, 2862056), (1031, 2415120), (1041, 2391920), (1160, 2146542), (1388, 1793940), (1392, 1788785), (1735, 1435152), (1740, 1431028), (2062, 1207560), (2082, 1195960), (2320, 1073271), (2776, 896970), (3093, 805040), (3470, 717576), (3480, 715514), (4124, 603780), (4164, 597980), (5155, 483024), (5205, 478384), (5552, 448485), (6186, 402520), (6940, 358788), (6960, 357757), (8248, 301890), (8328, 298990), (10063, 247440), (10310, 241512), (10410, 239192), (12372, 201260), (13880, 179394), (15465, 161008), (16496, 150945), (16656, 149495), (20126, 123720), (20620, 120756), (20820, 119596), (24744, 100630), (27760, 89697), (29899, 83280), (30189, 82480), (30930, 80504), (40252, 61860), (41240, 60378), (41640, 59798), (49488, 50315)]