80821860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 260198400

約数和(自身を除く): 179376540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 967, 995, 1194, 1393, 1934, 1990, 2388, 2786, 2901, 2985, 3868, 3980, 4179, 4835, 5572, 5802, 5970, 6769, 6965, 8358, 9670, 11604, 11940, 13538, 13930, 14505, 16716, 19340, 20307, 20895, 27076, 27860, 29010, 33845, 40614, 41790, 58020, 67690, 81228, 83580, 101535, 135380, 192433, 203070, 384866, 406140, 577299, 769732, 962165, 1154598, 1347031, 1924330, 2309196, 2694062, 2886495, 3848660, 4041093, 5388124, 5772990, 6735155, 8082186, 11545980, 13470310, 16164372, 20205465, 26940620, 40410930, 80821860]

約数ペア:

[(1, 80821860), (2, 40410930), (3, 26940620), (4, 20205465), (5, 16164372), (6, 13470310), (7, 11545980), (10, 8082186), (12, 6735155), (14, 5772990), (15, 5388124), (20, 4041093), (21, 3848660), (28, 2886495), (30, 2694062), (35, 2309196), (42, 1924330), (60, 1347031), (70, 1154598), (84, 962165), (105, 769732), (140, 577299), (199, 406140), (210, 384866), (398, 203070), (420, 192433), (597, 135380), (796, 101535), (967, 83580), (995, 81228), (1194, 67690), (1393, 58020), (1934, 41790), (1990, 40614), (2388, 33845), (2786, 29010), (2901, 27860), (2985, 27076), (3868, 20895), (3980, 20307), (4179, 19340), (4835, 16716), (5572, 14505), (5802, 13930), (5970, 13538), (6769, 11940), (6965, 11604), (8358, 9670)]