138922160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 362008080

約数和(自身を除く): 223085920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 139, 155, 208, 248, 260, 278, 310, 403, 496, 520, 556, 620, 695, 806, 961, 1040, 1112, 1240, 1390, 1612, 1807, 1922, 2015, 2224, 2480, 2780, 3224, 3614, 3844, 4030, 4309, 4805, 5560, 6448, 7228, 7688, 8060, 8618, 9035, 9610, 11120, 12493, 14456, 15376, 16120, 17236, 18070, 19220, 21545, 24986, 28912, 32240, 34472, 36140, 38440, 43090, 49972, 56017, 62465, 68944, 72280, 76880, 86180, 99944, 112034, 124930, 133579, 144560, 172360, 199888, 224068, 249860, 267158, 280085, 344720, 448136, 499720, 534316, 560170, 667895, 896272, 999440, 1068632, 1120340, 1335790, 1736527, 2137264, 2240680, 2671580, 3473054, 4481360, 5343160, 6946108, 8682635, 10686320, 13892216, 17365270, 27784432, 34730540, 69461080, 138922160]

約数ペア:

[(1, 138922160), (2, 69461080), (4, 34730540), (5, 27784432), (8, 17365270), (10, 13892216), (13, 10686320), (16, 8682635), (20, 6946108), (26, 5343160), (31, 4481360), (40, 3473054), (52, 2671580), (62, 2240680), (65, 2137264), (80, 1736527), (104, 1335790), (124, 1120340), (130, 1068632), (139, 999440), (155, 896272), (208, 667895), (248, 560170), (260, 534316), (278, 499720), (310, 448136), (403, 344720), (496, 280085), (520, 267158), (556, 249860), (620, 224068), (695, 199888), (806, 172360), (961, 144560), (1040, 133579), (1112, 124930), (1240, 112034), (1390, 99944), (1612, 86180), (1807, 76880), (1922, 72280), (2015, 68944), (2224, 62465), (2480, 56017), (2780, 49972), (3224, 43090), (3614, 38440), (3844, 36140), (4030, 34472), (4309, 32240), (4805, 28912), (5560, 24986), (6448, 21545), (7228, 19220), (7688, 18070), (8060, 17236), (8618, 16120), (9035, 15376), (9610, 14456), (11120, 12493)]