320118480

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 280

約数和(自身を含む): 1219788000

約数和(自身を除く): 899669520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 486, 495, 499, 528, 540, 594, 648, 660, 720, 729, 792, 810, 880, 891, 972, 990, 998, 1080, 1188, 1215, 1296, 1320, 1458, 1485, 1497, 1584, 1620, 1782, 1944, 1980, 1996, 2160, 2376, 2430, 2495, 2640, 2673, 2916, 2970, 2994, 3240, 3564, 3645, 3888, 3960, 3992, 4455, 4491, 4752, 4860, 4990, 5346, 5489, 5832, 5940, 5988, 6480, 7128, 7290, 7485, 7920, 7984, 8019, 8910, 8982, 9720, 9980, 10692, 10978, 11664, 11880, 11976, 13365, 13473, 14256, 14580, 14970, 16038, 16467, 17820, 17964, 19440, 19960, 21384, 21956, 22455, 23760, 23952, 26730, 26946, 27445, 29160, 29940, 32076, 32934, 35640, 35928, 39920, 40095, 40419, 42768, 43912, 44910, 49401, 53460, 53892, 54890, 58320, 59880, 64152, 65868, 67365, 71280, 71856, 80190, 80838, 82335, 87824, 89820, 98802, 106920, 107784, 109780, 119760, 121257, 128304, 131736, 134730, 148203, 160380, 161676, 164670, 179640, 197604, 202095, 213840, 215568, 219560, 242514, 247005, 263472, 269460, 296406, 320760, 323352, 329340, 359280, 363771, 395208, 404190, 439120, 444609, 485028, 494010, 538920, 592812, 606285, 641520, 646704, 658680, 727542, 741015, 790416, 808380, 889218, 970056, 988020, 1077840, 1185624, 1212570, 1317360, 1333827, 1455084, 1482030, 1616760, 1778436, 1818855, 1940112, 1976040, 2223045, 2371248, 2425140, 2667654, 2910168, 2964060, 3233520, 3556872, 3637710, 3952080, 4001481, 4446090, 4850280, 5335308, 5820336, 5928120, 6669135, 7113744, 7275420, 8002962, 8892180, 9700560, 10670616, 11856240, 13338270, 14550840, 16005924, 17784360, 20007405, 21341232, 26676540, 29101680, 32011848, 35568720, 40014810, 53353080, 64023696, 80029620, 106706160, 160059240, 320118480]

約数ペア:

[(1, 320118480), (2, 160059240), (3, 106706160), (4, 80029620), (5, 64023696), (6, 53353080), (8, 40014810), (9, 35568720), (10, 32011848), (11, 29101680), (12, 26676540), (15, 21341232), (16, 20007405), (18, 17784360), (20, 16005924), (22, 14550840), (24, 13338270), (27, 11856240), (30, 10670616), (33, 9700560), (36, 8892180), (40, 8002962), (44, 7275420), (45, 7113744), (48, 6669135), (54, 5928120), (55, 5820336), (60, 5335308), (66, 4850280), (72, 4446090), (80, 4001481), (81, 3952080), (88, 3637710), (90, 3556872), (99, 3233520), (108, 2964060), (110, 2910168), (120, 2667654), (132, 2425140), (135, 2371248), (144, 2223045), (162, 1976040), (165, 1940112), (176, 1818855), (180, 1778436), (198, 1616760), (216, 1482030), (220, 1455084), (240, 1333827), (243, 1317360), (264, 1212570), (270, 1185624), (297, 1077840), (324, 988020), (330, 970056), (360, 889218), (396, 808380), (405, 790416), (432, 741015), (440, 727542), (486, 658680), (495, 646704), (499, 641520), (528, 606285), (540, 592812), (594, 538920), (648, 494010), (660, 485028), (720, 444609), (729, 439120), (792, 404190), (810, 395208), (880, 363771), (891, 359280), (972, 329340), (990, 323352), (998, 320760), (1080, 296406), (1188, 269460), (1215, 263472), (1296, 247005), (1320, 242514), (1458, 219560), (1485, 215568), (1497, 213840), (1584, 202095), (1620, 197604), (1782, 179640), (1944, 164670), (1980, 161676), (1996, 160380), (2160, 148203), (2376, 134730), (2430, 131736), (2495, 128304), (2640, 121257), (2673, 119760), (2916, 109780), (2970, 107784), (2994, 106920), (3240, 98802), (3564, 89820), (3645, 87824), (3888, 82335), (3960, 80838), (3992, 80190), (4455, 71856), (4491, 71280), (4752, 67365), (4860, 65868), (4990, 64152), (5346, 59880), (5489, 58320), (5832, 54890), (5940, 53892), (5988, 53460), (6480, 49401), (7128, 44910), (7290, 43912), (7485, 42768), (7920, 40419), (7984, 40095), (8019, 39920), (8910, 35928), (8982, 35640), (9720, 32934), (9980, 32076), (10692, 29940), (10978, 29160), (11664, 27445), (11880, 26946), (11976, 26730), (13365, 23952), (13473, 23760), (14256, 22455), (14580, 21956), (14970, 21384), (16038, 19960), (16467, 19440), (17820, 17964)]