290207760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1209199}}^1$

素因数の和:1209215

約数の個数: 40

約数和(自身を含む): 899644800

約数和(自身を除く): 609437040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1209199, 2418398, 3627597, 4836796, 6045995, 7255194, 9673592, 12091990, 14510388, 18137985, 19347184, 24183980, 29020776, 36275970, 48367960, 58041552, 72551940, 96735920, 145103880, 290207760]

約数ペア:

[(1, 290207760), (2, 145103880), (3, 96735920), (4, 72551940), (5, 58041552), (6, 48367960), (8, 36275970), (10, 29020776), (12, 24183980), (15, 19347184), (16, 18137985), (20, 14510388), (24, 12091990), (30, 9673592), (40, 7255194), (48, 6045995), (60, 4836796), (80, 3627597), (120, 2418398), (240, 1209199)]