220780980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1438

約数の個数: 144

約数和(自身を含む): 771563520

約数和(自身を除く): 550782540

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, 137, 140, 180, 210, 252, 274, 315, 411, 420, 548, 630, 685, 822, 959, 1233, 1260, 1279, 1370, 1644, 1918, 2055, 2466, 2558, 2740, 2877, 3836, 3837, 4110, 4795, 4932, 5116, 5754, 6165, 6395, 7674, 8220, 8631, 8953, 9590, 11508, 11511, 12330, 12790, 14385, 15348, 17262, 17906, 19180, 19185, 23022, 24660, 25580, 26859, 28770, 34524, 35812, 38370, 43155, 44765, 46044, 53718, 57540, 57555, 76740, 80577, 86310, 89530, 107436, 115110, 134295, 161154, 172620, 175223, 179060, 230220, 268590, 322308, 350446, 402885, 525669, 537180, 700892, 805770, 876115, 1051338, 1226561, 1577007, 1611540, 1752230, 2102676, 2453122, 2628345, 3154014, 3504460, 3679683, 4906244, 5256690, 6132805, 6308028, 7359366, 7885035, 10513380, 11039049, 12265610, 14718732, 15770070, 18398415, 22078098, 24531220, 31540140, 36796830, 44156196, 55195245, 73593660, 110390490, 220780980]

約数ペア:

[(1, 220780980), (2, 110390490), (3, 73593660), (4, 55195245), (5, 44156196), (6, 36796830), (7, 31540140), (9, 24531220), (10, 22078098), (12, 18398415), (14, 15770070), (15, 14718732), (18, 12265610), (20, 11039049), (21, 10513380), (28, 7885035), (30, 7359366), (35, 6308028), (36, 6132805), (42, 5256690), (45, 4906244), (60, 3679683), (63, 3504460), (70, 3154014), (84, 2628345), (90, 2453122), (105, 2102676), (126, 1752230), (137, 1611540), (140, 1577007), (180, 1226561), (210, 1051338), (252, 876115), (274, 805770), (315, 700892), (411, 537180), (420, 525669), (548, 402885), (630, 350446), (685, 322308), (822, 268590), (959, 230220), (1233, 179060), (1260, 175223), (1279, 172620), (1370, 161154), (1644, 134295), (1918, 115110), (2055, 107436), (2466, 89530), (2558, 86310), (2740, 80577), (2877, 76740), (3836, 57555), (3837, 57540), (4110, 53718), (4795, 46044), (4932, 44765), (5116, 43155), (5754, 38370), (6165, 35812), (6395, 34524), (7674, 28770), (8220, 26859), (8631, 25580), (8953, 24660), (9590, 23022), (11508, 19185), (11511, 19180), (12330, 17906), (12790, 17262), (14385, 15348)]