868442640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278347}}^1$

素因数の和:278376

約数の個数: 80

約数和(自身を含む): 2899272768

約数和(自身を除く): 2030830128

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, 312, 390, 520, 624, 780, 1040, 1560, 3120, 278347, 556694, 835041, 1113388, 1391735, 1670082, 2226776, 2783470, 3340164, 3618511, 4175205, 4453552, 5566940, 6680328, 7237022, 8350410, 10855533, 11133880, 13360656, 14474044, 16700820, 18092555, 21711066, 22267760, 28948088, 33401640, 36185110, 43422132, 54277665, 57896176, 66803280, 72370220, 86844264, 108555330, 144740440, 173688528, 217110660, 289480880, 434221320, 868442640]

約数ペア:

[(1, 868442640), (2, 434221320), (3, 289480880), (4, 217110660), (5, 173688528), (6, 144740440), (8, 108555330), (10, 86844264), (12, 72370220), (13, 66803280), (15, 57896176), (16, 54277665), (20, 43422132), (24, 36185110), (26, 33401640), (30, 28948088), (39, 22267760), (40, 21711066), (48, 18092555), (52, 16700820), (60, 14474044), (65, 13360656), (78, 11133880), (80, 10855533), (104, 8350410), (120, 7237022), (130, 6680328), (156, 5566940), (195, 4453552), (208, 4175205), (240, 3618511), (260, 3340164), (312, 2783470), (390, 2226776), (520, 1670082), (624, 1391735), (780, 1113388), (1040, 835041), (1560, 556694), (3120, 278347)]