81590520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 269879040

約数和(自身を除く): 188288520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 113, 120, 132, 165, 220, 226, 264, 330, 339, 440, 452, 547, 565, 660, 678, 904, 1094, 1130, 1243, 1320, 1356, 1641, 1695, 2188, 2260, 2486, 2712, 2735, 3282, 3390, 3729, 4376, 4520, 4972, 5470, 6017, 6215, 6564, 6780, 7458, 8205, 9944, 10940, 12034, 12430, 13128, 13560, 14916, 16410, 18051, 18645, 21880, 24068, 24860, 29832, 30085, 32820, 36102, 37290, 48136, 49720, 60170, 61811, 65640, 72204, 74580, 90255, 120340, 123622, 144408, 149160, 180510, 185433, 240680, 247244, 309055, 361020, 370866, 494488, 618110, 679921, 722040, 741732, 927165, 1236220, 1359842, 1483464, 1854330, 2039763, 2472440, 2719684, 3399605, 3708660, 4079526, 5439368, 6799210, 7417320, 8159052, 10198815, 13598420, 16318104, 20397630, 27196840, 40795260, 81590520]

約数ペア:

[(1, 81590520), (2, 40795260), (3, 27196840), (4, 20397630), (5, 16318104), (6, 13598420), (8, 10198815), (10, 8159052), (11, 7417320), (12, 6799210), (15, 5439368), (20, 4079526), (22, 3708660), (24, 3399605), (30, 2719684), (33, 2472440), (40, 2039763), (44, 1854330), (55, 1483464), (60, 1359842), (66, 1236220), (88, 927165), (110, 741732), (113, 722040), (120, 679921), (132, 618110), (165, 494488), (220, 370866), (226, 361020), (264, 309055), (330, 247244), (339, 240680), (440, 185433), (452, 180510), (547, 149160), (565, 144408), (660, 123622), (678, 120340), (904, 90255), (1094, 74580), (1130, 72204), (1243, 65640), (1320, 61811), (1356, 60170), (1641, 49720), (1695, 48136), (2188, 37290), (2260, 36102), (2486, 32820), (2712, 30085), (2735, 29832), (3282, 24860), (3390, 24068), (3729, 21880), (4376, 18645), (4520, 18051), (4972, 16410), (5470, 14916), (6017, 13560), (6215, 13128), (6564, 12430), (6780, 12034), (7458, 10940), (8205, 9944)]