12154920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 36720000

約数和(自身を除く): 24565080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 509, 597, 796, 995, 1018, 1194, 1527, 1592, 1990, 2036, 2388, 2545, 2985, 3054, 3980, 4072, 4776, 5090, 5970, 6108, 7635, 7960, 10180, 11940, 12216, 15270, 20360, 23880, 30540, 61080, 101291, 202582, 303873, 405164, 506455, 607746, 810328, 1012910, 1215492, 1519365, 2025820, 2430984, 3038730, 4051640, 6077460, 12154920]

約数ペア:

[(1, 12154920), (2, 6077460), (3, 4051640), (4, 3038730), (5, 2430984), (6, 2025820), (8, 1519365), (10, 1215492), (12, 1012910), (15, 810328), (20, 607746), (24, 506455), (30, 405164), (40, 303873), (60, 202582), (120, 101291), (199, 61080), (398, 30540), (509, 23880), (597, 20360), (796, 15270), (995, 12216), (1018, 11940), (1194, 10180), (1527, 7960), (1592, 7635), (1990, 6108), (2036, 5970), (2388, 5090), (2545, 4776), (2985, 4072), (3054, 3980)]