71920590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1721}}^1$

素因数の和:1937

約数の個数: 64

約数和(自身を含む): 198374400

約数和(自身を除く): 126453810

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, 1721, 1990, 2786, 2985, 3442, 4179, 5163, 5970, 6965, 8358, 8605, 10326, 12047, 13930, 17210, 20895, 24094, 25815, 36141, 41790, 51630, 60235, 72282, 120470, 180705, 342479, 361410, 684958, 1027437, 1712395, 2054874, 2397353, 3424790, 4794706, 5137185, 7192059, 10274370, 11986765, 14384118, 23973530, 35960295, 71920590]

約数ペア:

[(1, 71920590), (2, 35960295), (3, 23973530), (5, 14384118), (6, 11986765), (7, 10274370), (10, 7192059), (14, 5137185), (15, 4794706), (21, 3424790), (30, 2397353), (35, 2054874), (42, 1712395), (70, 1027437), (105, 684958), (199, 361410), (210, 342479), (398, 180705), (597, 120470), (995, 72282), (1194, 60235), (1393, 51630), (1721, 41790), (1990, 36141), (2786, 25815), (2985, 24094), (3442, 20895), (4179, 17210), (5163, 13930), (5970, 12047), (6965, 10326), (8358, 8605)]