861584880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1319

約数の個数: 160

約数和(自身を含む): 2889815040

約数和(自身を除く): 2028230160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 271, 312, 390, 520, 542, 624, 780, 813, 1019, 1040, 1084, 1355, 1560, 1626, 2038, 2168, 2710, 3057, 3120, 3252, 3523, 4065, 4076, 4336, 5095, 5420, 6114, 6504, 7046, 8130, 8152, 10190, 10569, 10840, 12228, 13008, 13247, 14092, 15285, 16260, 16304, 17615, 20380, 21138, 21680, 24456, 26494, 28184, 30570, 32520, 35230, 39741, 40760, 42276, 48912, 52845, 52988, 56368, 61140, 65040, 66235, 70460, 79482, 81520, 84552, 105690, 105976, 122280, 132470, 140920, 158964, 169104, 198705, 211380, 211952, 244560, 264940, 276149, 281840, 317928, 397410, 422760, 529880, 552298, 635856, 794820, 828447, 845520, 1059760, 1104596, 1380745, 1589640, 1656894, 2209192, 2761490, 3179280, 3313788, 3589937, 4142235, 4418384, 5522980, 6627576, 7179874, 8284470, 10769811, 11045960, 13255152, 14359748, 16568940, 17949685, 21539622, 22091920, 28719496, 33137880, 35899370, 43079244, 53849055, 57438992, 66275760, 71798740, 86158488, 107698110, 143597480, 172316976, 215396220, 287194960, 430792440, 861584880]

約数ペア:

[(1, 861584880), (2, 430792440), (3, 287194960), (4, 215396220), (5, 172316976), (6, 143597480), (8, 107698110), (10, 86158488), (12, 71798740), (13, 66275760), (15, 57438992), (16, 53849055), (20, 43079244), (24, 35899370), (26, 33137880), (30, 28719496), (39, 22091920), (40, 21539622), (48, 17949685), (52, 16568940), (60, 14359748), (65, 13255152), (78, 11045960), (80, 10769811), (104, 8284470), (120, 7179874), (130, 6627576), (156, 5522980), (195, 4418384), (208, 4142235), (240, 3589937), (260, 3313788), (271, 3179280), (312, 2761490), (390, 2209192), (520, 1656894), (542, 1589640), (624, 1380745), (780, 1104596), (813, 1059760), (1019, 845520), (1040, 828447), (1084, 794820), (1355, 635856), (1560, 552298), (1626, 529880), (2038, 422760), (2168, 397410), (2710, 317928), (3057, 281840), (3120, 276149), (3252, 264940), (3523, 244560), (4065, 211952), (4076, 211380), (4336, 198705), (5095, 169104), (5420, 158964), (6114, 140920), (6504, 132470), (7046, 122280), (8130, 105976), (8152, 105690), (10190, 84552), (10569, 81520), (10840, 79482), (12228, 70460), (13008, 66235), (13247, 65040), (14092, 61140), (15285, 56368), (16260, 52988), (16304, 52845), (17615, 48912), (20380, 42276), (21138, 40760), (21680, 39741), (24456, 35230), (26494, 32520), (28184, 30570)]