66815280

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 240

約数和(自身を含む): 266482944

約数和(自身を除く): 199667664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 491, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 972, 982, 1008, 1080, 1134, 1215, 1260, 1296, 1473, 1512, 1620, 1680, 1701, 1890, 1944, 1964, 2160, 2268, 2430, 2455, 2520, 2835, 2946, 3024, 3240, 3402, 3437, 3780, 3888, 3928, 4419, 4536, 4860, 4910, 5040, 5670, 5892, 6480, 6804, 6874, 7365, 7560, 7856, 8505, 8838, 9072, 9720, 9820, 10311, 11340, 11784, 13257, 13608, 13748, 14730, 15120, 17010, 17185, 17676, 19440, 19640, 20622, 22095, 22680, 23568, 26514, 27216, 27496, 29460, 30933, 34020, 34370, 35352, 39280, 39771, 41244, 44190, 45360, 51555, 53028, 54992, 58920, 61866, 66285, 68040, 68740, 70704, 79542, 82488, 88380, 92799, 103110, 106056, 117840, 119313, 123732, 132570, 136080, 137480, 154665, 159084, 164976, 176760, 185598, 198855, 206220, 212112, 238626, 247464, 265140, 274960, 278397, 309330, 318168, 353520, 371196, 397710, 412440, 463995, 477252, 494928, 530280, 556794, 596565, 618660, 636336, 742392, 795420, 824880, 835191, 927990, 954504, 1060560, 1113588, 1193130, 1237320, 1391985, 1484784, 1590840, 1670382, 1855980, 1909008, 2227176, 2386260, 2474640, 2783970, 3181680, 3340764, 3711960, 4175955, 4454352, 4772520, 5567940, 6681528, 7423920, 8351910, 9545040, 11135880, 13363056, 16703820, 22271760, 33407640, 66815280]

約数ペア:

[(1, 66815280), (2, 33407640), (3, 22271760), (4, 16703820), (5, 13363056), (6, 11135880), (7, 9545040), (8, 8351910), (9, 7423920), (10, 6681528), (12, 5567940), (14, 4772520), (15, 4454352), (16, 4175955), (18, 3711960), (20, 3340764), (21, 3181680), (24, 2783970), (27, 2474640), (28, 2386260), (30, 2227176), (35, 1909008), (36, 1855980), (40, 1670382), (42, 1590840), (45, 1484784), (48, 1391985), (54, 1237320), (56, 1193130), (60, 1113588), (63, 1060560), (70, 954504), (72, 927990), (80, 835191), (81, 824880), (84, 795420), (90, 742392), (105, 636336), (108, 618660), (112, 596565), (120, 556794), (126, 530280), (135, 494928), (140, 477252), (144, 463995), (162, 412440), (168, 397710), (180, 371196), (189, 353520), (210, 318168), (216, 309330), (240, 278397), (243, 274960), (252, 265140), (270, 247464), (280, 238626), (315, 212112), (324, 206220), (336, 198855), (360, 185598), (378, 176760), (405, 164976), (420, 159084), (432, 154665), (486, 137480), (491, 136080), (504, 132570), (540, 123732), (560, 119313), (567, 117840), (630, 106056), (648, 103110), (720, 92799), (756, 88380), (810, 82488), (840, 79542), (945, 70704), (972, 68740), (982, 68040), (1008, 66285), (1080, 61866), (1134, 58920), (1215, 54992), (1260, 53028), (1296, 51555), (1473, 45360), (1512, 44190), (1620, 41244), (1680, 39771), (1701, 39280), (1890, 35352), (1944, 34370), (1964, 34020), (2160, 30933), (2268, 29460), (2430, 27496), (2455, 27216), (2520, 26514), (2835, 23568), (2946, 22680), (3024, 22095), (3240, 20622), (3402, 19640), (3437, 19440), (3780, 17676), (3888, 17185), (3928, 17010), (4419, 15120), (4536, 14730), (4860, 13748), (4910, 13608), (5040, 13257), (5670, 11784), (5892, 11340), (6480, 10311), (6804, 9820), (6874, 9720), (7365, 9072), (7560, 8838), (7856, 8505)]