66887880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2801}}^1$

素因数の和:3014

約数の個数: 64

約数和(自身を含む): 201744000

約数和(自身を除く): 134856120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2801, 2985, 3980, 4776, 5602, 5970, 7960, 8403, 11204, 11940, 14005, 16806, 22408, 23880, 28010, 33612, 42015, 56020, 67224, 84030, 112040, 168060, 336120, 557399, 1114798, 1672197, 2229596, 2786995, 3344394, 4459192, 5573990, 6688788, 8360985, 11147980, 13377576, 16721970, 22295960, 33443940, 66887880]

約数ペア:

[(1, 66887880), (2, 33443940), (3, 22295960), (4, 16721970), (5, 13377576), (6, 11147980), (8, 8360985), (10, 6688788), (12, 5573990), (15, 4459192), (20, 3344394), (24, 2786995), (30, 2229596), (40, 1672197), (60, 1114798), (120, 557399), (199, 336120), (398, 168060), (597, 112040), (796, 84030), (995, 67224), (1194, 56020), (1592, 42015), (1990, 33612), (2388, 28010), (2801, 23880), (2985, 22408), (3980, 16806), (4776, 14005), (5602, 11940), (5970, 11204), (7960, 8403)]