78189090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1871}}^1$

素因数の和:2087

約数の個数: 64

約数和(自身を含む): 215654400

約数和(自身を除く): 137465310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1871, 1990, 2786, 2985, 3742, 4179, 5613, 5970, 6965, 8358, 9355, 11226, 13097, 13930, 18710, 20895, 26194, 28065, 39291, 41790, 56130, 65485, 78582, 130970, 196455, 372329, 392910, 744658, 1116987, 1861645, 2233974, 2606303, 3723290, 5212606, 5584935, 7818909, 11169870, 13031515, 15637818, 26063030, 39094545, 78189090]

約数ペア:

[(1, 78189090), (2, 39094545), (3, 26063030), (5, 15637818), (6, 13031515), (7, 11169870), (10, 7818909), (14, 5584935), (15, 5212606), (21, 3723290), (30, 2606303), (35, 2233974), (42, 1861645), (70, 1116987), (105, 744658), (199, 392910), (210, 372329), (398, 196455), (597, 130970), (995, 78582), (1194, 65485), (1393, 56130), (1871, 41790), (1990, 39291), (2786, 28065), (2985, 26194), (3742, 20895), (4179, 18710), (5613, 13930), (5970, 13097), (6965, 11226), (8358, 9355)]