161392980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2149

約数の個数: 96

約数和(自身を含む): 519321600

約数和(自身を除く): 357928620

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, 995, 1194, 1393, 1931, 1990, 2388, 2786, 2985, 3862, 3980, 4179, 5572, 5793, 5970, 6965, 7724, 8358, 9655, 11586, 11940, 13517, 13930, 16716, 19310, 20895, 23172, 27034, 27860, 28965, 38620, 40551, 41790, 54068, 57930, 67585, 81102, 83580, 115860, 135170, 162204, 202755, 270340, 384269, 405510, 768538, 811020, 1152807, 1537076, 1921345, 2305614, 2689883, 3842690, 4611228, 5379766, 5764035, 7685380, 8069649, 10759532, 11528070, 13449415, 16139298, 23056140, 26898830, 32278596, 40348245, 53797660, 80696490, 161392980]

約数ペア:

[(1, 161392980), (2, 80696490), (3, 53797660), (4, 40348245), (5, 32278596), (6, 26898830), (7, 23056140), (10, 16139298), (12, 13449415), (14, 11528070), (15, 10759532), (20, 8069649), (21, 7685380), (28, 5764035), (30, 5379766), (35, 4611228), (42, 3842690), (60, 2689883), (70, 2305614), (84, 1921345), (105, 1537076), (140, 1152807), (199, 811020), (210, 768538), (398, 405510), (420, 384269), (597, 270340), (796, 202755), (995, 162204), (1194, 135170), (1393, 115860), (1931, 83580), (1990, 81102), (2388, 67585), (2786, 57930), (2985, 54068), (3862, 41790), (3980, 40551), (4179, 38620), (5572, 28965), (5793, 27860), (5970, 27034), (6965, 23172), (7724, 20895), (8358, 19310), (9655, 16716), (11586, 13930), (11940, 13517)]