15994240

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 38910960

約数和(自身を除く): 22916720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 373, 536, 640, 670, 746, 1072, 1340, 1492, 1865, 2144, 2680, 2984, 3730, 4288, 5360, 5968, 7460, 8576, 10720, 11936, 14920, 21440, 23872, 24991, 29840, 42880, 47744, 49982, 59680, 99964, 119360, 124955, 199928, 238720, 249910, 399856, 499820, 799712, 999640, 1599424, 1999280, 3198848, 3998560, 7997120, 15994240]

約数ペア:

[(1, 15994240), (2, 7997120), (4, 3998560), (5, 3198848), (8, 1999280), (10, 1599424), (16, 999640), (20, 799712), (32, 499820), (40, 399856), (64, 249910), (67, 238720), (80, 199928), (128, 124955), (134, 119360), (160, 99964), (268, 59680), (320, 49982), (335, 47744), (373, 42880), (536, 29840), (640, 24991), (670, 23872), (746, 21440), (1072, 14920), (1340, 11936), (1492, 10720), (1865, 8576), (2144, 7460), (2680, 5968), (2984, 5360), (3730, 4288)]