12783320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 33242400

約数和(自身を除く): 20459080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1709, 1870, 3418, 3740, 6836, 7480, 8545, 13672, 17090, 18799, 29053, 34180, 37598, 58106, 68360, 75196, 93995, 116212, 145265, 150392, 187990, 232424, 290530, 319583, 375980, 581060, 639166, 751960, 1162120, 1278332, 1597915, 2556664, 3195830, 6391660, 12783320]

約数ペア:

[(1, 12783320), (2, 6391660), (4, 3195830), (5, 2556664), (8, 1597915), (10, 1278332), (11, 1162120), (17, 751960), (20, 639166), (22, 581060), (34, 375980), (40, 319583), (44, 290530), (55, 232424), (68, 187990), (85, 150392), (88, 145265), (110, 116212), (136, 93995), (170, 75196), (187, 68360), (220, 58106), (340, 37598), (374, 34180), (440, 29053), (680, 18799), (748, 17090), (935, 13672), (1496, 8545), (1709, 7480), (1870, 6836), (3418, 3740)]