2643390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 7177248

約数和(自身を除く): 4533858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 1277, 2070, 2554, 3831, 6385, 7662, 11493, 12770, 19155, 22986, 29371, 38310, 57465, 58742, 88113, 114930, 146855, 176226, 264339, 293710, 440565, 528678, 881130, 1321695, 2643390]

約数ペア:

[(1, 2643390), (2, 1321695), (3, 881130), (5, 528678), (6, 440565), (9, 293710), (10, 264339), (15, 176226), (18, 146855), (23, 114930), (30, 88113), (45, 58742), (46, 57465), (69, 38310), (90, 29371), (115, 22986), (138, 19155), (207, 12770), (230, 11493), (345, 7662), (414, 6385), (690, 3831), (1035, 2554), (1277, 2070)]