755440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 2142720

約数和(自身を除く): 1387280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 190, 266, 280, 284, 304, 355, 380, 497, 532, 560, 568, 665, 710, 760, 994, 1064, 1136, 1330, 1349, 1420, 1520, 1988, 2128, 2485, 2660, 2698, 2840, 3976, 4970, 5320, 5396, 5680, 6745, 7952, 9443, 9940, 10640, 10792, 13490, 18886, 19880, 21584, 26980, 37772, 39760, 47215, 53960, 75544, 94430, 107920, 151088, 188860, 377720, 755440]

約数ペア:

[(1, 755440), (2, 377720), (4, 188860), (5, 151088), (7, 107920), (8, 94430), (10, 75544), (14, 53960), (16, 47215), (19, 39760), (20, 37772), (28, 26980), (35, 21584), (38, 19880), (40, 18886), (56, 13490), (70, 10792), (71, 10640), (76, 9940), (80, 9443), (95, 7952), (112, 6745), (133, 5680), (140, 5396), (142, 5320), (152, 4970), (190, 3976), (266, 2840), (280, 2698), (284, 2660), (304, 2485), (355, 2128), (380, 1988), (497, 1520), (532, 1420), (560, 1349), (568, 1330), (665, 1136), (710, 1064), (760, 994)]