81238290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12479}}^1$

素因数の和:12527

約数の個数: 64

約数和(自身を含む): 230031360

約数和(自身を除く): 148793070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 12479, 24958, 37437, 62395, 74874, 87353, 124790, 174706, 187185, 262059, 374370, 386849, 436765, 524118, 773698, 873530, 1160547, 1310295, 1934245, 2321094, 2620590, 2707943, 3868490, 5415886, 5802735, 8123829, 11605470, 13539715, 16247658, 27079430, 40619145, 81238290]

約数ペア:

[(1, 81238290), (2, 40619145), (3, 27079430), (5, 16247658), (6, 13539715), (7, 11605470), (10, 8123829), (14, 5802735), (15, 5415886), (21, 3868490), (30, 2707943), (31, 2620590), (35, 2321094), (42, 1934245), (62, 1310295), (70, 1160547), (93, 873530), (105, 773698), (155, 524118), (186, 436765), (210, 386849), (217, 374370), (310, 262059), (434, 187185), (465, 174706), (651, 124790), (930, 87353), (1085, 74874), (1302, 62395), (2170, 37437), (3255, 24958), (6510, 12479)]