129748520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12821}}^1$

素因数の和:12866

約数の個数: 64

約数和(自身を含む): 332346240

約数和(自身を除く): 202597720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 12821, 25642, 51284, 64105, 102568, 128210, 141031, 256420, 282062, 294883, 512840, 564124, 589766, 705155, 1128248, 1179532, 1410310, 1474415, 2359064, 2820620, 2948830, 3243713, 5641240, 5897660, 6487426, 11795320, 12974852, 16218565, 25949704, 32437130, 64874260, 129748520]

約数ペア:

[(1, 129748520), (2, 64874260), (4, 32437130), (5, 25949704), (8, 16218565), (10, 12974852), (11, 11795320), (20, 6487426), (22, 5897660), (23, 5641240), (40, 3243713), (44, 2948830), (46, 2820620), (55, 2359064), (88, 1474415), (92, 1410310), (110, 1179532), (115, 1128248), (184, 705155), (220, 589766), (230, 564124), (253, 512840), (440, 294883), (460, 282062), (506, 256420), (920, 141031), (1012, 128210), (1265, 102568), (2024, 64105), (2530, 51284), (5060, 25642), (10120, 12821)]