4949280

素因数分解:

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

素因数の和:519

約数の個数: 144

約数和(自身を含む): 19341504

約数和(自身を除く): 14392224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 491, 504, 560, 630, 672, 720, 840, 982, 1008, 1120, 1260, 1440, 1473, 1680, 1964, 2016, 2455, 2520, 2946, 3360, 3437, 3928, 4419, 4910, 5040, 5892, 6874, 7365, 7856, 8838, 9820, 10080, 10311, 11784, 13748, 14730, 15712, 17185, 17676, 19640, 20622, 22095, 23568, 27496, 29460, 30933, 34370, 35352, 39280, 41244, 44190, 47136, 51555, 54992, 58920, 61866, 68740, 70704, 78560, 82488, 88380, 103110, 109984, 117840, 123732, 137480, 141408, 154665, 164976, 176760, 206220, 235680, 247464, 274960, 309330, 329952, 353520, 412440, 494928, 549920, 618660, 707040, 824880, 989856, 1237320, 1649760, 2474640, 4949280]

約数ペア:

[(1, 4949280), (2, 2474640), (3, 1649760), (4, 1237320), (5, 989856), (6, 824880), (7, 707040), (8, 618660), (9, 549920), (10, 494928), (12, 412440), (14, 353520), (15, 329952), (16, 309330), (18, 274960), (20, 247464), (21, 235680), (24, 206220), (28, 176760), (30, 164976), (32, 154665), (35, 141408), (36, 137480), (40, 123732), (42, 117840), (45, 109984), (48, 103110), (56, 88380), (60, 82488), (63, 78560), (70, 70704), (72, 68740), (80, 61866), (84, 58920), (90, 54992), (96, 51555), (105, 47136), (112, 44190), (120, 41244), (126, 39280), (140, 35352), (144, 34370), (160, 30933), (168, 29460), (180, 27496), (210, 23568), (224, 22095), (240, 20622), (252, 19640), (280, 17676), (288, 17185), (315, 15712), (336, 14730), (360, 13748), (420, 11784), (480, 10311), (491, 10080), (504, 9820), (560, 8838), (630, 7856), (672, 7365), (720, 6874), (840, 5892), (982, 5040), (1008, 4910), (1120, 4419), (1260, 3928), (1440, 3437), (1473, 3360), (1680, 2946), (1964, 2520), (2016, 2455)]