320487840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{8243}}^1$

素因数の和:8273

約数の個数: 144

約数和(自身を含む): 1134308448

約数和(自身を除く): 813820608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 8243, 9720, 12960, 16486, 19440, 24729, 32972, 38880, 41215, 49458, 65944, 74187, 82430, 98916, 123645, 131888, 148374, 164860, 197832, 222561, 247290, 263776, 296748, 329720, 370935, 395664, 445122, 494580, 593496, 659440, 667683, 741870, 791328, 890244, 989160, 1112805, 1186992, 1318880, 1335366, 1483740, 1780488, 1978320, 2003049, 2225610, 2373984, 2670732, 2967480, 3338415, 3560976, 3956640, 4006098, 4451220, 5341464, 5934960, 6676830, 7121952, 8012196, 8902440, 10015245, 10682928, 11869920, 13353660, 16024392, 17804880, 20030490, 21365856, 26707320, 32048784, 35609760, 40060980, 53414640, 64097568, 80121960, 106829280, 160243920, 320487840]

約数ペア:

[(1, 320487840), (2, 160243920), (3, 106829280), (4, 80121960), (5, 64097568), (6, 53414640), (8, 40060980), (9, 35609760), (10, 32048784), (12, 26707320), (15, 21365856), (16, 20030490), (18, 17804880), (20, 16024392), (24, 13353660), (27, 11869920), (30, 10682928), (32, 10015245), (36, 8902440), (40, 8012196), (45, 7121952), (48, 6676830), (54, 5934960), (60, 5341464), (72, 4451220), (80, 4006098), (81, 3956640), (90, 3560976), (96, 3338415), (108, 2967480), (120, 2670732), (135, 2373984), (144, 2225610), (160, 2003049), (162, 1978320), (180, 1780488), (216, 1483740), (240, 1335366), (243, 1318880), (270, 1186992), (288, 1112805), (324, 989160), (360, 890244), (405, 791328), (432, 741870), (480, 667683), (486, 659440), (540, 593496), (648, 494580), (720, 445122), (810, 395664), (864, 370935), (972, 329720), (1080, 296748), (1215, 263776), (1296, 247290), (1440, 222561), (1620, 197832), (1944, 164860), (2160, 148374), (2430, 131888), (2592, 123645), (3240, 98916), (3888, 82430), (4320, 74187), (4860, 65944), (6480, 49458), (7776, 41215), (8243, 38880), (9720, 32972), (12960, 24729), (16486, 19440)]