31212660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 91671552

約数和(自身を除く): 60458892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 97, 124, 155, 173, 186, 194, 291, 310, 346, 372, 388, 465, 485, 519, 582, 620, 692, 865, 930, 970, 1038, 1164, 1455, 1730, 1860, 1940, 2076, 2595, 2910, 3007, 3460, 5190, 5363, 5820, 6014, 9021, 10380, 10726, 12028, 15035, 16089, 16781, 18042, 21452, 26815, 30070, 32178, 33562, 36084, 45105, 50343, 53630, 60140, 64356, 67124, 80445, 83905, 90210, 100686, 107260, 160890, 167810, 180420, 201372, 251715, 321780, 335620, 503430, 520211, 1006860, 1040422, 1560633, 2080844, 2601055, 3121266, 5202110, 6242532, 7803165, 10404220, 15606330, 31212660]

約数ペア:

[(1, 31212660), (2, 15606330), (3, 10404220), (4, 7803165), (5, 6242532), (6, 5202110), (10, 3121266), (12, 2601055), (15, 2080844), (20, 1560633), (30, 1040422), (31, 1006860), (60, 520211), (62, 503430), (93, 335620), (97, 321780), (124, 251715), (155, 201372), (173, 180420), (186, 167810), (194, 160890), (291, 107260), (310, 100686), (346, 90210), (372, 83905), (388, 80445), (465, 67124), (485, 64356), (519, 60140), (582, 53630), (620, 50343), (692, 45105), (865, 36084), (930, 33562), (970, 32178), (1038, 30070), (1164, 26815), (1455, 21452), (1730, 18042), (1860, 16781), (1940, 16089), (2076, 15035), (2595, 12028), (2910, 10726), (3007, 10380), (3460, 9021), (5190, 6014), (5363, 5820)]