51365220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 147563136

約数和(自身を除く): 96197916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 463, 516, 645, 860, 926, 1290, 1389, 1849, 1852, 2315, 2580, 2778, 3698, 4630, 5547, 5556, 6945, 7396, 9245, 9260, 11094, 13890, 18490, 19909, 22188, 27735, 27780, 36980, 39818, 55470, 59727, 79636, 99545, 110940, 119454, 199090, 238908, 298635, 398180, 597270, 856087, 1194540, 1712174, 2568261, 3424348, 4280435, 5136522, 8560870, 10273044, 12841305, 17121740, 25682610, 51365220]

約数ペア:

[(1, 51365220), (2, 25682610), (3, 17121740), (4, 12841305), (5, 10273044), (6, 8560870), (10, 5136522), (12, 4280435), (15, 3424348), (20, 2568261), (30, 1712174), (43, 1194540), (60, 856087), (86, 597270), (129, 398180), (172, 298635), (215, 238908), (258, 199090), (430, 119454), (463, 110940), (516, 99545), (645, 79636), (860, 59727), (926, 55470), (1290, 39818), (1389, 36980), (1849, 27780), (1852, 27735), (2315, 22188), (2580, 19909), (2778, 18490), (3698, 13890), (4630, 11094), (5547, 9260), (5556, 9245), (6945, 7396)]