121772340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 386480640

約数和(自身を除く): 264708300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 139, 155, 157, 180, 186, 278, 279, 310, 314, 372, 417, 465, 471, 556, 558, 620, 628, 695, 785, 834, 930, 942, 1116, 1251, 1390, 1395, 1413, 1570, 1668, 1860, 1884, 2085, 2355, 2502, 2780, 2790, 2826, 3140, 4170, 4309, 4710, 4867, 5004, 5580, 5652, 6255, 7065, 8340, 8618, 9420, 9734, 12510, 12927, 14130, 14601, 17236, 19468, 21545, 21823, 24335, 25020, 25854, 28260, 29202, 38781, 43090, 43646, 43803, 48670, 51708, 58404, 64635, 65469, 73005, 77562, 86180, 87292, 87606, 97340, 109115, 129270, 130938, 146010, 155124, 175212, 193905, 196407, 218230, 219015, 258540, 261876, 292020, 327345, 387810, 392814, 436460, 438030, 654690, 676513, 775620, 785628, 876060, 982035, 1309380, 1353026, 1964070, 2029539, 2706052, 3382565, 3928140, 4059078, 6088617, 6765130, 8118156, 10147695, 12177234, 13530260, 20295390, 24354468, 30443085, 40590780, 60886170, 121772340]

約数ペア:

[(1, 121772340), (2, 60886170), (3, 40590780), (4, 30443085), (5, 24354468), (6, 20295390), (9, 13530260), (10, 12177234), (12, 10147695), (15, 8118156), (18, 6765130), (20, 6088617), (30, 4059078), (31, 3928140), (36, 3382565), (45, 2706052), (60, 2029539), (62, 1964070), (90, 1353026), (93, 1309380), (124, 982035), (139, 876060), (155, 785628), (157, 775620), (180, 676513), (186, 654690), (278, 438030), (279, 436460), (310, 392814), (314, 387810), (372, 327345), (417, 292020), (465, 261876), (471, 258540), (556, 219015), (558, 218230), (620, 196407), (628, 193905), (695, 175212), (785, 155124), (834, 146010), (930, 130938), (942, 129270), (1116, 109115), (1251, 97340), (1390, 87606), (1395, 87292), (1413, 86180), (1570, 77562), (1668, 73005), (1860, 65469), (1884, 64635), (2085, 58404), (2355, 51708), (2502, 48670), (2780, 43803), (2790, 43646), (2826, 43090), (3140, 38781), (4170, 29202), (4309, 28260), (4710, 25854), (4867, 25020), (5004, 24335), (5580, 21823), (5652, 21545), (6255, 19468), (7065, 17236), (8340, 14601), (8618, 14130), (9420, 12927), (9734, 12510)]