206640240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{861001}}^1$

素因数の和:861017

約数の個数: 40

約数和(自身を含む): 640585488

約数和(自身を除く): 433945248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 861001, 1722002, 2583003, 3444004, 4305005, 5166006, 6888008, 8610010, 10332012, 12915015, 13776016, 17220020, 20664024, 25830030, 34440040, 41328048, 51660060, 68880080, 103320120, 206640240]

約数ペア:

[(1, 206640240), (2, 103320120), (3, 68880080), (4, 51660060), (5, 41328048), (6, 34440040), (8, 25830030), (10, 20664024), (12, 17220020), (15, 13776016), (16, 12915015), (20, 10332012), (24, 8610010), (30, 6888008), (40, 5166006), (48, 4305005), (60, 3444004), (80, 2583003), (120, 1722002), (240, 861001)]