135685720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 312634080

約数和(自身を除く): 176948360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 197, 257, 268, 335, 394, 514, 536, 670, 788, 985, 1028, 1285, 1340, 1576, 1970, 2056, 2570, 2680, 3940, 5140, 7880, 10280, 13199, 17219, 26398, 34438, 50629, 52796, 65995, 68876, 86095, 101258, 105592, 131990, 137752, 172190, 202516, 253145, 263980, 344380, 405032, 506290, 527960, 688760, 1012580, 2025160, 3392143, 6784286, 13568572, 16960715, 27137144, 33921430, 67842860, 135685720]

約数ペア:

[(1, 135685720), (2, 67842860), (4, 33921430), (5, 27137144), (8, 16960715), (10, 13568572), (20, 6784286), (40, 3392143), (67, 2025160), (134, 1012580), (197, 688760), (257, 527960), (268, 506290), (335, 405032), (394, 344380), (514, 263980), (536, 253145), (670, 202516), (788, 172190), (985, 137752), (1028, 131990), (1285, 105592), (1340, 101258), (1576, 86095), (1970, 68876), (2056, 65995), (2570, 52796), (2680, 50629), (3940, 34438), (5140, 26398), (7880, 17219), (10280, 13199)]