331330040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 762138720

約数和(自身を除く): 430808680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 251, 305, 488, 502, 541, 610, 1004, 1082, 1220, 1255, 2008, 2164, 2440, 2510, 2705, 4328, 5020, 5410, 10040, 10820, 15311, 21640, 30622, 33001, 61244, 66002, 76555, 122488, 132004, 135791, 153110, 165005, 264008, 271582, 306220, 330010, 543164, 612440, 660020, 678955, 1086328, 1320040, 1357910, 2715820, 5431640, 8283251, 16566502, 33133004, 41416255, 66266008, 82832510, 165665020, 331330040]

約数ペア:

[(1, 331330040), (2, 165665020), (4, 82832510), (5, 66266008), (8, 41416255), (10, 33133004), (20, 16566502), (40, 8283251), (61, 5431640), (122, 2715820), (244, 1357910), (251, 1320040), (305, 1086328), (488, 678955), (502, 660020), (541, 612440), (610, 543164), (1004, 330010), (1082, 306220), (1220, 271582), (1255, 264008), (2008, 165005), (2164, 153110), (2440, 135791), (2510, 132004), (2705, 122488), (4328, 76555), (5020, 66002), (5410, 61244), (10040, 33001), (10820, 30622), (15311, 21640)]