1680555520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:712

約数の個数: 160

約数和(自身を含む): 4638560256

約数和(自身を除く): 2958004736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 191, 224, 256, 280, 320, 382, 448, 491, 512, 560, 640, 764, 896, 955, 982, 1120, 1280, 1337, 1528, 1792, 1910, 1964, 2240, 2455, 2560, 2674, 3056, 3437, 3584, 3820, 3928, 4480, 4910, 5348, 6112, 6685, 6874, 7640, 7856, 8960, 9820, 10696, 12224, 13370, 13748, 15280, 15712, 17185, 17920, 19640, 21392, 24448, 26740, 27496, 30560, 31424, 34370, 39280, 42784, 48896, 53480, 54992, 61120, 62848, 68740, 78560, 85568, 93781, 97792, 106960, 109984, 122240, 125696, 137480, 157120, 171136, 187562, 213920, 219968, 244480, 251392, 274960, 314240, 342272, 375124, 427840, 439936, 468905, 488960, 549920, 628480, 656467, 684544, 750248, 855680, 879872, 937810, 1099840, 1256960, 1312934, 1500496, 1711360, 1759744, 1875620, 2199680, 2625868, 3000992, 3282335, 3422720, 3751240, 4399360, 5251736, 6001984, 6564670, 7502480, 8798720, 10503472, 12003968, 13129340, 15004960, 21006944, 24007936, 26258680, 30009920, 42013888, 48015872, 52517360, 60019840, 84027776, 105034720, 120039680, 168055552, 210069440, 240079360, 336111104, 420138880, 840277760, 1680555520]

約数ペア:

[(1, 1680555520), (2, 840277760), (4, 420138880), (5, 336111104), (7, 240079360), (8, 210069440), (10, 168055552), (14, 120039680), (16, 105034720), (20, 84027776), (28, 60019840), (32, 52517360), (35, 48015872), (40, 42013888), (56, 30009920), (64, 26258680), (70, 24007936), (80, 21006944), (112, 15004960), (128, 13129340), (140, 12003968), (160, 10503472), (191, 8798720), (224, 7502480), (256, 6564670), (280, 6001984), (320, 5251736), (382, 4399360), (448, 3751240), (491, 3422720), (512, 3282335), (560, 3000992), (640, 2625868), (764, 2199680), (896, 1875620), (955, 1759744), (982, 1711360), (1120, 1500496), (1280, 1312934), (1337, 1256960), (1528, 1099840), (1792, 937810), (1910, 879872), (1964, 855680), (2240, 750248), (2455, 684544), (2560, 656467), (2674, 628480), (3056, 549920), (3437, 488960), (3584, 468905), (3820, 439936), (3928, 427840), (4480, 375124), (4910, 342272), (5348, 314240), (6112, 274960), (6685, 251392), (6874, 244480), (7640, 219968), (7856, 213920), (8960, 187562), (9820, 171136), (10696, 157120), (12224, 137480), (13370, 125696), (13748, 122240), (15280, 109984), (15712, 106960), (17185, 97792), (17920, 93781), (19640, 85568), (21392, 78560), (24448, 68740), (26740, 62848), (27496, 61120), (30560, 54992), (31424, 53480), (34370, 48896), (39280, 42784)]