22987120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 62058528

約数和(自身を除く): 39071408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 299, 310, 368, 403, 460, 496, 520, 598, 620, 713, 806, 920, 961, 1040, 1196, 1240, 1426, 1495, 1612, 1840, 1922, 2015, 2392, 2480, 2852, 2990, 3224, 3565, 3844, 4030, 4784, 4805, 5704, 5980, 6448, 7130, 7688, 8060, 9269, 9610, 11408, 11960, 12493, 14260, 15376, 16120, 18538, 19220, 22103, 23920, 24986, 28520, 32240, 37076, 38440, 44206, 46345, 49972, 57040, 62465, 74152, 76880, 88412, 92690, 99944, 110515, 124930, 148304, 176824, 185380, 199888, 221030, 249860, 287339, 353648, 370760, 442060, 499720, 574678, 741520, 884120, 999440, 1149356, 1436695, 1768240, 2298712, 2873390, 4597424, 5746780, 11493560, 22987120]

約数ペア:

[(1, 22987120), (2, 11493560), (4, 5746780), (5, 4597424), (8, 2873390), (10, 2298712), (13, 1768240), (16, 1436695), (20, 1149356), (23, 999440), (26, 884120), (31, 741520), (40, 574678), (46, 499720), (52, 442060), (62, 370760), (65, 353648), (80, 287339), (92, 249860), (104, 221030), (115, 199888), (124, 185380), (130, 176824), (155, 148304), (184, 124930), (208, 110515), (230, 99944), (248, 92690), (260, 88412), (299, 76880), (310, 74152), (368, 62465), (403, 57040), (460, 49972), (496, 46345), (520, 44206), (598, 38440), (620, 37076), (713, 32240), (806, 28520), (920, 24986), (961, 23920), (1040, 22103), (1196, 19220), (1240, 18538), (1426, 16120), (1495, 15376), (1612, 14260), (1840, 12493), (1922, 11960), (2015, 11408), (2392, 9610), (2480, 9269), (2852, 8060), (2990, 7688), (3224, 7130), (3565, 6448), (3844, 5980), (4030, 5704), (4784, 4805)]