1687450240

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{7687}}^1$

素因数の和:7727

約数の個数: 128

約数和(自身を含む): 4705056000

約数和(自身を除く): 3017605760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7687, 7840, 10976, 13720, 15374, 15680, 21952, 27440, 30748, 31360, 38435, 43904, 53809, 54880, 61496, 76870, 107618, 109760, 122992, 153740, 215236, 219520, 245984, 269045, 307480, 376663, 430472, 491968, 538090, 614960, 753326, 860944, 983936, 1076180, 1229920, 1506652, 1721888, 1883315, 2152360, 2459840, 2636641, 3013304, 3443776, 3766630, 4304720, 4919680, 5273282, 6026608, 6887552, 7533260, 8609440, 10546564, 12053216, 13183205, 15066520, 17218880, 21093128, 24106432, 26366410, 30133040, 34437760, 42186256, 48212864, 52732820, 60266080, 84372512, 105465640, 120532160, 168745024, 210931280, 241064320, 337490048, 421862560, 843725120, 1687450240]

約数ペア:

[(1, 1687450240), (2, 843725120), (4, 421862560), (5, 337490048), (7, 241064320), (8, 210931280), (10, 168745024), (14, 120532160), (16, 105465640), (20, 84372512), (28, 60266080), (32, 52732820), (35, 48212864), (40, 42186256), (49, 34437760), (56, 30133040), (64, 26366410), (70, 24106432), (80, 21093128), (98, 17218880), (112, 15066520), (128, 13183205), (140, 12053216), (160, 10546564), (196, 8609440), (224, 7533260), (245, 6887552), (280, 6026608), (320, 5273282), (343, 4919680), (392, 4304720), (448, 3766630), (490, 3443776), (560, 3013304), (640, 2636641), (686, 2459840), (784, 2152360), (896, 1883315), (980, 1721888), (1120, 1506652), (1372, 1229920), (1568, 1076180), (1715, 983936), (1960, 860944), (2240, 753326), (2744, 614960), (3136, 538090), (3430, 491968), (3920, 430472), (4480, 376663), (5488, 307480), (6272, 269045), (6860, 245984), (7687, 219520), (7840, 215236), (10976, 153740), (13720, 122992), (15374, 109760), (15680, 107618), (21952, 76870), (27440, 61496), (30748, 54880), (31360, 53809), (38435, 43904)]