30905640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{293}}^2$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 100787310

約数和(自身を除く): 69881670

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 293, 360, 586, 879, 1172, 1465, 1758, 2344, 2637, 2930, 3516, 4395, 5274, 5860, 7032, 8790, 10548, 11720, 13185, 17580, 21096, 26370, 35160, 52740, 85849, 105480, 171698, 257547, 343396, 429245, 515094, 686792, 772641, 858490, 1030188, 1287735, 1545282, 1716980, 2060376, 2575470, 3090564, 3433960, 3863205, 5150940, 6181128, 7726410, 10301880, 15452820, 30905640]

約数ペア:

[(1, 30905640), (2, 15452820), (3, 10301880), (4, 7726410), (5, 6181128), (6, 5150940), (8, 3863205), (9, 3433960), (10, 3090564), (12, 2575470), (15, 2060376), (18, 1716980), (20, 1545282), (24, 1287735), (30, 1030188), (36, 858490), (40, 772641), (45, 686792), (60, 515094), (72, 429245), (90, 343396), (120, 257547), (180, 171698), (293, 105480), (360, 85849), (586, 52740), (879, 35160), (1172, 26370), (1465, 21096), (1758, 17580), (2344, 13185), (2637, 11720), (2930, 10548), (3516, 8790), (4395, 7032), (5274, 5860)]