61811280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{293}}^2$

素因数の和:605

約数の個数: 90

約数和(自身を含む): 208293774

約数和(自身を除く): 146482494

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 293, 360, 586, 720, 879, 1172, 1465, 1758, 2344, 2637, 2930, 3516, 4395, 4688, 5274, 5860, 7032, 8790, 10548, 11720, 13185, 14064, 17580, 21096, 23440, 26370, 35160, 42192, 52740, 70320, 85849, 105480, 171698, 210960, 257547, 343396, 429245, 515094, 686792, 772641, 858490, 1030188, 1287735, 1373584, 1545282, 1716980, 2060376, 2575470, 3090564, 3433960, 3863205, 4120752, 5150940, 6181128, 6867920, 7726410, 10301880, 12362256, 15452820, 20603760, 30905640, 61811280]

約数ペア:

[(1, 61811280), (2, 30905640), (3, 20603760), (4, 15452820), (5, 12362256), (6, 10301880), (8, 7726410), (9, 6867920), (10, 6181128), (12, 5150940), (15, 4120752), (16, 3863205), (18, 3433960), (20, 3090564), (24, 2575470), (30, 2060376), (36, 1716980), (40, 1545282), (45, 1373584), (48, 1287735), (60, 1030188), (72, 858490), (80, 772641), (90, 686792), (120, 515094), (144, 429245), (180, 343396), (240, 257547), (293, 210960), (360, 171698), (586, 105480), (720, 85849), (879, 70320), (1172, 52740), (1465, 42192), (1758, 35160), (2344, 26370), (2637, 23440), (2930, 21096), (3516, 17580), (4395, 14064), (4688, 13185), (5274, 11720), (5860, 10548), (7032, 8790)]