997920

素因数分解:

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

素因数の和:45

約数の個数: 240

約数和(自身を含む): 4390848

約数和(自身を除く): 3392928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 160, 162, 165, 168, 176, 180, 189, 198, 210, 216, 220, 224, 231, 240, 252, 264, 270, 280, 288, 297, 308, 315, 324, 330, 336, 352, 360, 378, 385, 396, 405, 420, 432, 440, 462, 480, 495, 504, 528, 540, 560, 567, 594, 616, 630, 648, 660, 672, 693, 720, 756, 770, 792, 810, 840, 864, 880, 891, 924, 945, 990, 1008, 1056, 1080, 1120, 1134, 1155, 1188, 1232, 1260, 1296, 1320, 1386, 1440, 1485, 1512, 1540, 1584, 1620, 1680, 1760, 1782, 1848, 1890, 1980, 2016, 2079, 2160, 2268, 2310, 2376, 2464, 2520, 2592, 2640, 2772, 2835, 2970, 3024, 3080, 3168, 3240, 3360, 3465, 3564, 3696, 3780, 3960, 4158, 4320, 4455, 4536, 4620, 4752, 5040, 5280, 5544, 5670, 5940, 6048, 6160, 6237, 6480, 6930, 7128, 7392, 7560, 7920, 8316, 8910, 9072, 9240, 9504, 10080, 10395, 11088, 11340, 11880, 12320, 12474, 12960, 13860, 14256, 15120, 15840, 16632, 17820, 18144, 18480, 20790, 22176, 22680, 23760, 24948, 27720, 28512, 30240, 31185, 33264, 35640, 36960, 41580, 45360, 47520, 49896, 55440, 62370, 66528, 71280, 83160, 90720, 99792, 110880, 124740, 142560, 166320, 199584, 249480, 332640, 498960, 997920]

約数ペア:

[(1, 997920), (2, 498960), (3, 332640), (4, 249480), (5, 199584), (6, 166320), (7, 142560), (8, 124740), (9, 110880), (10, 99792), (11, 90720), (12, 83160), (14, 71280), (15, 66528), (16, 62370), (18, 55440), (20, 49896), (21, 47520), (22, 45360), (24, 41580), (27, 36960), (28, 35640), (30, 33264), (32, 31185), (33, 30240), (35, 28512), (36, 27720), (40, 24948), (42, 23760), (44, 22680), (45, 22176), (48, 20790), (54, 18480), (55, 18144), (56, 17820), (60, 16632), (63, 15840), (66, 15120), (70, 14256), (72, 13860), (77, 12960), (80, 12474), (81, 12320), (84, 11880), (88, 11340), (90, 11088), (96, 10395), (99, 10080), (105, 9504), (108, 9240), (110, 9072), (112, 8910), (120, 8316), (126, 7920), (132, 7560), (135, 7392), (140, 7128), (144, 6930), (154, 6480), (160, 6237), (162, 6160), (165, 6048), (168, 5940), (176, 5670), (180, 5544), (189, 5280), (198, 5040), (210, 4752), (216, 4620), (220, 4536), (224, 4455), (231, 4320), (240, 4158), (252, 3960), (264, 3780), (270, 3696), (280, 3564), (288, 3465), (297, 3360), (308, 3240), (315, 3168), (324, 3080), (330, 3024), (336, 2970), (352, 2835), (360, 2772), (378, 2640), (385, 2592), (396, 2520), (405, 2464), (420, 2376), (432, 2310), (440, 2268), (462, 2160), (480, 2079), (495, 2016), (504, 1980), (528, 1890), (540, 1848), (560, 1782), (567, 1760), (594, 1680), (616, 1620), (630, 1584), (648, 1540), (660, 1512), (672, 1485), (693, 1440), (720, 1386), (756, 1320), (770, 1296), (792, 1260), (810, 1232), (840, 1188), (864, 1155), (880, 1134), (891, 1120), (924, 1080), (945, 1056), (990, 1008)]