280027440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5051}}^1$

素因数の和:5088

約数の個数: 240

約数和(自身を含む): 1172710656

約数和(自身を除く): 892683216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5051, 5544, 6160, 6930, 7920, 9240, 10102, 11088, 13860, 15153, 18480, 20204, 25255, 27720, 30306, 35357, 40408, 45459, 50510, 55440, 55561, 60612, 70714, 75765, 80816, 90918, 101020, 106071, 111122, 121224, 141428, 151530, 166683, 176785, 181836, 202040, 212142, 222244, 227295, 242448, 277805, 282856, 303060, 318213, 333366, 353570, 363672, 388927, 404080, 424284, 444488, 454590, 500049, 530355, 555610, 565712, 606120, 636426, 666732, 707140, 727344, 777854, 833415, 848568, 888976, 909180, 1000098, 1060710, 1111220, 1166781, 1212240, 1272852, 1333464, 1414280, 1555708, 1591065, 1666830, 1697136, 1818360, 1944635, 2000196, 2121420, 2222440, 2333562, 2500245, 2545704, 2666928, 2828560, 3111416, 3182130, 3333660, 3500343, 3636720, 3889270, 4000392, 4242840, 4444880, 4667124, 5000490, 5091408, 5833905, 6222832, 6364260, 6667320, 7000686, 7778540, 8000784, 8485680, 9334248, 10000980, 11667810, 12728520, 13334640, 14001372, 15557080, 17501715, 18668496, 20001960, 23335620, 25457040, 28002744, 31114160, 35003430, 40003920, 46671240, 56005488, 70006860, 93342480, 140013720, 280027440]

約数ペア:

[(1, 280027440), (2, 140013720), (3, 93342480), (4, 70006860), (5, 56005488), (6, 46671240), (7, 40003920), (8, 35003430), (9, 31114160), (10, 28002744), (11, 25457040), (12, 23335620), (14, 20001960), (15, 18668496), (16, 17501715), (18, 15557080), (20, 14001372), (21, 13334640), (22, 12728520), (24, 11667810), (28, 10000980), (30, 9334248), (33, 8485680), (35, 8000784), (36, 7778540), (40, 7000686), (42, 6667320), (44, 6364260), (45, 6222832), (48, 5833905), (55, 5091408), (56, 5000490), (60, 4667124), (63, 4444880), (66, 4242840), (70, 4000392), (72, 3889270), (77, 3636720), (80, 3500343), (84, 3333660), (88, 3182130), (90, 3111416), (99, 2828560), (105, 2666928), (110, 2545704), (112, 2500245), (120, 2333562), (126, 2222440), (132, 2121420), (140, 2000196), (144, 1944635), (154, 1818360), (165, 1697136), (168, 1666830), (176, 1591065), (180, 1555708), (198, 1414280), (210, 1333464), (220, 1272852), (231, 1212240), (240, 1166781), (252, 1111220), (264, 1060710), (280, 1000098), (308, 909180), (315, 888976), (330, 848568), (336, 833415), (360, 777854), (385, 727344), (396, 707140), (420, 666732), (440, 636426), (462, 606120), (495, 565712), (504, 555610), (528, 530355), (560, 500049), (616, 454590), (630, 444488), (660, 424284), (693, 404080), (720, 388927), (770, 363672), (792, 353570), (840, 333366), (880, 318213), (924, 303060), (990, 282856), (1008, 277805), (1155, 242448), (1232, 227295), (1260, 222244), (1320, 212142), (1386, 202040), (1540, 181836), (1584, 176785), (1680, 166683), (1848, 151530), (1980, 141428), (2310, 121224), (2520, 111122), (2640, 106071), (2772, 101020), (3080, 90918), (3465, 80816), (3696, 75765), (3960, 70714), (4620, 60612), (5040, 55561), (5051, 55440), (5544, 50510), (6160, 45459), (6930, 40408), (7920, 35357), (9240, 30306), (10102, 27720), (11088, 25255), (13860, 20204), (15153, 18480)]