30981060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15647}}^1$

素因数の和:15673

約数の個数: 72

約数和(自身を含む): 102525696

約数和(自身を除く): 71544636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15647, 31294, 46941, 62588, 78235, 93882, 140823, 156470, 172117, 187764, 234705, 281646, 312940, 344234, 469410, 516351, 563292, 688468, 704115, 860585, 938820, 1032702, 1408230, 1549053, 1721170, 2065404, 2581755, 2816460, 3098106, 3442340, 5163510, 6196212, 7745265, 10327020, 15490530, 30981060]

約数ペア:

[(1, 30981060), (2, 15490530), (3, 10327020), (4, 7745265), (5, 6196212), (6, 5163510), (9, 3442340), (10, 3098106), (11, 2816460), (12, 2581755), (15, 2065404), (18, 1721170), (20, 1549053), (22, 1408230), (30, 1032702), (33, 938820), (36, 860585), (44, 704115), (45, 688468), (55, 563292), (60, 516351), (66, 469410), (90, 344234), (99, 312940), (110, 281646), (132, 234705), (165, 187764), (180, 172117), (198, 156470), (220, 140823), (330, 93882), (396, 78235), (495, 62588), (660, 46941), (990, 31294), (1980, 15647)]