31454340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 92160768

約数和(自身を除く): 60706428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 991, 1058, 1380, 1587, 1982, 2116, 2645, 2973, 3174, 3964, 4955, 5290, 5946, 6348, 7935, 9910, 10580, 11892, 14865, 15870, 19820, 22793, 29730, 31740, 45586, 59460, 68379, 91172, 113965, 136758, 227930, 273516, 341895, 455860, 524239, 683790, 1048478, 1367580, 1572717, 2096956, 2621195, 3145434, 5242390, 6290868, 7863585, 10484780, 15727170, 31454340]

約数ペア:

[(1, 31454340), (2, 15727170), (3, 10484780), (4, 7863585), (5, 6290868), (6, 5242390), (10, 3145434), (12, 2621195), (15, 2096956), (20, 1572717), (23, 1367580), (30, 1048478), (46, 683790), (60, 524239), (69, 455860), (92, 341895), (115, 273516), (138, 227930), (230, 136758), (276, 113965), (345, 91172), (460, 68379), (529, 59460), (690, 45586), (991, 31740), (1058, 29730), (1380, 22793), (1587, 19820), (1982, 15870), (2116, 14865), (2645, 11892), (2973, 10580), (3174, 9910), (3964, 7935), (4955, 6348), (5290, 5946)]