1557996880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{12923}}^1$

素因数の和:13084

約数の個数: 80

約数和(自身を含む): 3980798784

約数和(自身を除く): 2422801904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 685, 880, 1096, 1370, 1507, 2192, 2740, 3014, 5480, 6028, 7535, 10960, 12056, 12923, 15070, 24112, 25846, 30140, 51692, 60280, 64615, 103384, 120560, 129230, 142153, 206768, 258460, 284306, 516920, 568612, 710765, 1033840, 1137224, 1421530, 1770451, 2274448, 2843060, 3540902, 5686120, 7081804, 8852255, 11372240, 14163608, 17704510, 19474961, 28327216, 35409020, 38949922, 70818040, 77899844, 97374805, 141636080, 155799688, 194749610, 311599376, 389499220, 778998440, 1557996880]

約数ペア:

[(1, 1557996880), (2, 778998440), (4, 389499220), (5, 311599376), (8, 194749610), (10, 155799688), (11, 141636080), (16, 97374805), (20, 77899844), (22, 70818040), (40, 38949922), (44, 35409020), (55, 28327216), (80, 19474961), (88, 17704510), (110, 14163608), (137, 11372240), (176, 8852255), (220, 7081804), (274, 5686120), (440, 3540902), (548, 2843060), (685, 2274448), (880, 1770451), (1096, 1421530), (1370, 1137224), (1507, 1033840), (2192, 710765), (2740, 568612), (3014, 516920), (5480, 284306), (6028, 258460), (7535, 206768), (10960, 142153), (12056, 129230), (12923, 120560), (15070, 103384), (24112, 64615), (25846, 60280), (30140, 51692)]