87006780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 304012800

約数和(自身を除く): 217006020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 347, 398, 420, 597, 630, 694, 796, 995, 1041, 1194, 1260, 1388, 1393, 1735, 1791, 1990, 2082, 2388, 2429, 2786, 2985, 3123, 3470, 3582, 3980, 4164, 4179, 4858, 5205, 5572, 5970, 6246, 6940, 6965, 7164, 7287, 8358, 8955, 9716, 10410, 11940, 12145, 12492, 12537, 13930, 14574, 15615, 16716, 17910, 20820, 20895, 21861, 24290, 25074, 27860, 29148, 31230, 35820, 36435, 41790, 43722, 48580, 50148, 62460, 62685, 69053, 72870, 83580, 87444, 109305, 125370, 138106, 145740, 207159, 218610, 250740, 276212, 345265, 414318, 437220, 483371, 621477, 690530, 828636, 966742, 1035795, 1242954, 1381060, 1450113, 1933484, 2071590, 2416855, 2485908, 2900226, 3107385, 4143180, 4350339, 4833710, 5800452, 6214770, 7250565, 8700678, 9667420, 12429540, 14501130, 17401356, 21751695, 29002260, 43503390, 87006780]

約数ペア:

[(1, 87006780), (2, 43503390), (3, 29002260), (4, 21751695), (5, 17401356), (6, 14501130), (7, 12429540), (9, 9667420), (10, 8700678), (12, 7250565), (14, 6214770), (15, 5800452), (18, 4833710), (20, 4350339), (21, 4143180), (28, 3107385), (30, 2900226), (35, 2485908), (36, 2416855), (42, 2071590), (45, 1933484), (60, 1450113), (63, 1381060), (70, 1242954), (84, 1035795), (90, 966742), (105, 828636), (126, 690530), (140, 621477), (180, 483371), (199, 437220), (210, 414318), (252, 345265), (315, 276212), (347, 250740), (398, 218610), (420, 207159), (597, 145740), (630, 138106), (694, 125370), (796, 109305), (995, 87444), (1041, 83580), (1194, 72870), (1260, 69053), (1388, 62685), (1393, 62460), (1735, 50148), (1791, 48580), (1990, 43722), (2082, 41790), (2388, 36435), (2429, 35820), (2786, 31230), (2985, 29148), (3123, 27860), (3470, 25074), (3582, 24290), (3980, 21861), (4164, 20895), (4179, 20820), (4858, 17910), (5205, 16716), (5572, 15615), (5970, 14574), (6246, 13930), (6940, 12537), (6965, 12492), (7164, 12145), (7287, 11940), (8358, 10410), (8955, 9716)]