64943280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90199}}^1$

素因数の和:90218

約数の個数: 60

約数和(自身を含む): 218103600

約数和(自身を除く): 153160320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 90199, 180398, 270597, 360796, 450995, 541194, 721592, 811791, 901990, 1082388, 1352985, 1443184, 1623582, 1803980, 2164776, 2705970, 3247164, 3607960, 4058955, 4329552, 5411940, 6494328, 7215920, 8117910, 10823880, 12988656, 16235820, 21647760, 32471640, 64943280]

約数ペア:

[(1, 64943280), (2, 32471640), (3, 21647760), (4, 16235820), (5, 12988656), (6, 10823880), (8, 8117910), (9, 7215920), (10, 6494328), (12, 5411940), (15, 4329552), (16, 4058955), (18, 3607960), (20, 3247164), (24, 2705970), (30, 2164776), (36, 1803980), (40, 1623582), (45, 1443184), (48, 1352985), (60, 1082388), (72, 901990), (80, 811791), (90, 721592), (120, 541194), (144, 450995), (180, 360796), (240, 270597), (360, 180398), (720, 90199)]