191031720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8513}}^1$

素因数の和:8555

約数の個数: 128

約数和(自身を含む): 662048640

約数和(自身を除く): 471016920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 8513, 11220, 17026, 22440, 25539, 34052, 42565, 51078, 68104, 85130, 93643, 102156, 127695, 144721, 170260, 187286, 204312, 255390, 280929, 289442, 340520, 374572, 434163, 468215, 510780, 561858, 578884, 723605, 749144, 868326, 936430, 1021560, 1123716, 1157768, 1404645, 1447210, 1591931, 1736652, 1872860, 2170815, 2247432, 2809290, 2894420, 3183862, 3473304, 3745720, 4341630, 4775793, 5618580, 5788840, 6367724, 7959655, 8683260, 9551586, 11237160, 12735448, 15919310, 17366520, 19103172, 23878965, 31838620, 38206344, 47757930, 63677240, 95515860, 191031720]

約数ペア:

[(1, 191031720), (2, 95515860), (3, 63677240), (4, 47757930), (5, 38206344), (6, 31838620), (8, 23878965), (10, 19103172), (11, 17366520), (12, 15919310), (15, 12735448), (17, 11237160), (20, 9551586), (22, 8683260), (24, 7959655), (30, 6367724), (33, 5788840), (34, 5618580), (40, 4775793), (44, 4341630), (51, 3745720), (55, 3473304), (60, 3183862), (66, 2894420), (68, 2809290), (85, 2247432), (88, 2170815), (102, 1872860), (110, 1736652), (120, 1591931), (132, 1447210), (136, 1404645), (165, 1157768), (170, 1123716), (187, 1021560), (204, 936430), (220, 868326), (255, 749144), (264, 723605), (330, 578884), (340, 561858), (374, 510780), (408, 468215), (440, 434163), (510, 374572), (561, 340520), (660, 289442), (680, 280929), (748, 255390), (935, 204312), (1020, 187286), (1122, 170260), (1320, 144721), (1496, 127695), (1870, 102156), (2040, 93643), (2244, 85130), (2805, 68104), (3740, 51078), (4488, 42565), (5610, 34052), (7480, 25539), (8513, 22440), (11220, 17026)]