308947140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1579}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 938595840

約数和(自身を除く): 629648700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1087, 1579, 2174, 3158, 3261, 4348, 4737, 5435, 6316, 6522, 7895, 9474, 9783, 10870, 13044, 14211, 15790, 16305, 18948, 19566, 21740, 23685, 28422, 31580, 32610, 39132, 47370, 48915, 56844, 65220, 71055, 94740, 97830, 142110, 195660, 284220, 1716373, 3432746, 5149119, 6865492, 8581865, 10298238, 15447357, 17163730, 20596476, 25745595, 30894714, 34327460, 51491190, 61789428, 77236785, 102982380, 154473570, 308947140]

約数ペア:

[(1, 308947140), (2, 154473570), (3, 102982380), (4, 77236785), (5, 61789428), (6, 51491190), (9, 34327460), (10, 30894714), (12, 25745595), (15, 20596476), (18, 17163730), (20, 15447357), (30, 10298238), (36, 8581865), (45, 6865492), (60, 5149119), (90, 3432746), (180, 1716373), (1087, 284220), (1579, 195660), (2174, 142110), (3158, 97830), (3261, 94740), (4348, 71055), (4737, 65220), (5435, 56844), (6316, 48915), (6522, 47370), (7895, 39132), (9474, 32610), (9783, 31580), (10870, 28422), (13044, 23685), (14211, 21740), (15790, 19566), (16305, 18948)]