68709760

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 192168000

約数和(自身を除く): 123458240

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, 313, 320, 343, 392, 448, 490, 560, 626, 640, 686, 784, 896, 980, 1120, 1252, 1372, 1565, 1568, 1715, 1960, 2191, 2240, 2504, 2744, 3130, 3136, 3430, 3920, 4382, 4480, 5008, 5488, 6260, 6272, 6860, 7840, 8764, 10016, 10955, 10976, 12520, 13720, 15337, 15680, 17528, 20032, 21910, 21952, 25040, 27440, 30674, 31360, 35056, 40064, 43820, 43904, 50080, 54880, 61348, 70112, 76685, 87640, 100160, 107359, 109760, 122696, 140224, 153370, 175280, 200320, 214718, 219520, 245392, 280448, 306740, 350560, 429436, 490784, 536795, 613480, 701120, 858872, 981568, 1073590, 1226960, 1402240, 1717744, 1963136, 2147180, 2453920, 3435488, 4294360, 4907840, 6870976, 8588720, 9815680, 13741952, 17177440, 34354880, 68709760]

約数ペア:

[(1, 68709760), (2, 34354880), (4, 17177440), (5, 13741952), (7, 9815680), (8, 8588720), (10, 6870976), (14, 4907840), (16, 4294360), (20, 3435488), (28, 2453920), (32, 2147180), (35, 1963136), (40, 1717744), (49, 1402240), (56, 1226960), (64, 1073590), (70, 981568), (80, 858872), (98, 701120), (112, 613480), (128, 536795), (140, 490784), (160, 429436), (196, 350560), (224, 306740), (245, 280448), (280, 245392), (313, 219520), (320, 214718), (343, 200320), (392, 175280), (448, 153370), (490, 140224), (560, 122696), (626, 109760), (640, 107359), (686, 100160), (784, 87640), (896, 76685), (980, 70112), (1120, 61348), (1252, 54880), (1372, 50080), (1565, 43904), (1568, 43820), (1715, 40064), (1960, 35056), (2191, 31360), (2240, 30674), (2504, 27440), (2744, 25040), (3130, 21952), (3136, 21910), (3430, 20032), (3920, 17528), (4382, 15680), (4480, 15337), (5008, 13720), (5488, 12520), (6260, 10976), (6272, 10955), (6860, 10016), (7840, 8764)]