1373808080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1571}}^1$

素因数の和:2244

約数の個数: 80

約数和(自身を含む): 3389408064

約数和(自身を除く): 2015599984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 643, 680, 1286, 1360, 1571, 2572, 3142, 3215, 5144, 6284, 6430, 7855, 10288, 10931, 12568, 12860, 15710, 21862, 25136, 25720, 26707, 31420, 43724, 51440, 53414, 54655, 62840, 87448, 106828, 109310, 125680, 133535, 174896, 213656, 218620, 267070, 427312, 437240, 534140, 874480, 1010153, 1068280, 2020306, 2136560, 4040612, 5050765, 8081224, 10101530, 16162448, 17172601, 20203060, 34345202, 40406120, 68690404, 80812240, 85863005, 137380808, 171726010, 274761616, 343452020, 686904040, 1373808080]

約数ペア:

[(1, 1373808080), (2, 686904040), (4, 343452020), (5, 274761616), (8, 171726010), (10, 137380808), (16, 85863005), (17, 80812240), (20, 68690404), (34, 40406120), (40, 34345202), (68, 20203060), (80, 17172601), (85, 16162448), (136, 10101530), (170, 8081224), (272, 5050765), (340, 4040612), (643, 2136560), (680, 2020306), (1286, 1068280), (1360, 1010153), (1571, 874480), (2572, 534140), (3142, 437240), (3215, 427312), (5144, 267070), (6284, 218620), (6430, 213656), (7855, 174896), (10288, 133535), (10931, 125680), (12568, 109310), (12860, 106828), (15710, 87448), (21862, 62840), (25136, 54655), (25720, 53414), (26707, 51440), (31420, 43724)]