78177160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 182936880

約数和(自身を除く): 104759720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 584, 653, 730, 820, 1306, 1460, 1640, 2612, 2920, 2993, 3265, 5224, 5986, 6530, 11972, 13060, 14965, 23944, 26120, 26773, 29930, 47669, 53546, 59860, 95338, 107092, 119720, 133865, 190676, 214184, 238345, 267730, 381352, 476690, 535460, 953380, 1070920, 1906760, 1954429, 3908858, 7817716, 9772145, 15635432, 19544290, 39088580, 78177160]

約数ペア:

[(1, 78177160), (2, 39088580), (4, 19544290), (5, 15635432), (8, 9772145), (10, 7817716), (20, 3908858), (40, 1954429), (41, 1906760), (73, 1070920), (82, 953380), (146, 535460), (164, 476690), (205, 381352), (292, 267730), (328, 238345), (365, 214184), (410, 190676), (584, 133865), (653, 119720), (730, 107092), (820, 95338), (1306, 59860), (1460, 53546), (1640, 47669), (2612, 29930), (2920, 26773), (2993, 26120), (3265, 23944), (5224, 14965), (5986, 13060), (6530, 11972)]