320519880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{890333}}^1$

素因数の和:890350

約数の個数: 48

約数和(自身を含む): 1041690780

約数和(自身を除く): 721170900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 890333, 1780666, 2670999, 3561332, 4451665, 5341998, 7122664, 8012997, 8903330, 10683996, 13354995, 16025994, 17806660, 21367992, 26709990, 32051988, 35613320, 40064985, 53419980, 64103976, 80129970, 106839960, 160259940, 320519880]

約数ペア:

[(1, 320519880), (2, 160259940), (3, 106839960), (4, 80129970), (5, 64103976), (6, 53419980), (8, 40064985), (9, 35613320), (10, 32051988), (12, 26709990), (15, 21367992), (18, 17806660), (20, 16025994), (24, 13354995), (30, 10683996), (36, 8903330), (40, 8012997), (45, 7122664), (60, 5341998), (72, 4451665), (90, 3561332), (120, 2670999), (180, 1780666), (360, 890333)]