153439360

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1433

約数の個数: 64

約数和(自身を含む): 368980920

約数和(自身を除く): 215541560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1217, 1576, 1970, 2434, 3152, 3940, 4868, 6085, 6304, 7880, 9736, 12170, 12608, 15760, 19472, 24340, 25216, 31520, 38944, 48680, 63040, 77888, 97360, 126080, 155776, 194720, 239749, 389440, 479498, 778880, 958996, 1198745, 1917992, 2397490, 3835984, 4794980, 7671968, 9589960, 15343936, 19179920, 30687872, 38359840, 76719680, 153439360]

約数ペア:

[(1, 153439360), (2, 76719680), (4, 38359840), (5, 30687872), (8, 19179920), (10, 15343936), (16, 9589960), (20, 7671968), (32, 4794980), (40, 3835984), (64, 2397490), (80, 1917992), (128, 1198745), (160, 958996), (197, 778880), (320, 479498), (394, 389440), (640, 239749), (788, 194720), (985, 155776), (1217, 126080), (1576, 97360), (1970, 77888), (2434, 63040), (3152, 48680), (3940, 38944), (4868, 31520), (6085, 25216), (6304, 24340), (7880, 19472), (9736, 15760), (12170, 12608)]