878135440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120623}}^1$

素因数の和:120656

約数の個数: 80

約数和(自身を含む): 2512839168

約数和(自身を除く): 1634703728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 120623, 241246, 482492, 603115, 844361, 964984, 1206230, 1568099, 1688722, 1929968, 2412460, 3136198, 3377444, 4221805, 4824920, 6272396, 6754888, 7840495, 8443610, 9649840, 10976693, 12544792, 13509776, 15680990, 16887220, 21953386, 25089584, 31361980, 33774440, 43906772, 54883465, 62723960, 67548880, 87813544, 109766930, 125447920, 175627088, 219533860, 439067720, 878135440]

約数ペア:

[(1, 878135440), (2, 439067720), (4, 219533860), (5, 175627088), (7, 125447920), (8, 109766930), (10, 87813544), (13, 67548880), (14, 62723960), (16, 54883465), (20, 43906772), (26, 33774440), (28, 31361980), (35, 25089584), (40, 21953386), (52, 16887220), (56, 15680990), (65, 13509776), (70, 12544792), (80, 10976693), (91, 9649840), (104, 8443610), (112, 7840495), (130, 6754888), (140, 6272396), (182, 4824920), (208, 4221805), (260, 3377444), (280, 3136198), (364, 2412460), (455, 1929968), (520, 1688722), (560, 1568099), (728, 1206230), (910, 964984), (1040, 844361), (1456, 603115), (1820, 482492), (3640, 241246), (7280, 120623)]