326399520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{679999}}^1$

素因数の和:680017

約数の個数: 48

約数和(自身を含む): 1028160000

約数和(自身を除く): 701760480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 679999, 1359998, 2039997, 2719996, 3399995, 4079994, 5439992, 6799990, 8159988, 10199985, 10879984, 13599980, 16319976, 20399970, 21759968, 27199960, 32639952, 40799940, 54399920, 65279904, 81599880, 108799840, 163199760, 326399520]

約数ペア:

[(1, 326399520), (2, 163199760), (3, 108799840), (4, 81599880), (5, 65279904), (6, 54399920), (8, 40799940), (10, 32639952), (12, 27199960), (15, 21759968), (16, 20399970), (20, 16319976), (24, 13599980), (30, 10879984), (32, 10199985), (40, 8159988), (48, 6799990), (60, 5439992), (80, 4079994), (96, 3399995), (120, 2719996), (160, 2039997), (240, 1359998), (480, 679999)]