78262380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 273611520

約数和(自身を除く): 195349140

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, 179, 180, 210, 252, 315, 347, 358, 420, 537, 630, 694, 716, 895, 1041, 1074, 1253, 1260, 1388, 1611, 1735, 1790, 2082, 2148, 2429, 2506, 2685, 3123, 3222, 3470, 3580, 3759, 4164, 4858, 5012, 5205, 5370, 6246, 6265, 6444, 6940, 7287, 7518, 8055, 9716, 10410, 10740, 11277, 12145, 12492, 12530, 14574, 15036, 15615, 16110, 18795, 20820, 21861, 22554, 24290, 25060, 29148, 31230, 32220, 36435, 37590, 43722, 45108, 48580, 56385, 62113, 62460, 72870, 75180, 87444, 109305, 112770, 124226, 145740, 186339, 218610, 225540, 248452, 310565, 372678, 434791, 437220, 559017, 621130, 745356, 869582, 931695, 1118034, 1242260, 1304373, 1739164, 1863390, 2173955, 2236068, 2608746, 2795085, 3726780, 3913119, 4347910, 5217492, 5590170, 6521865, 7826238, 8695820, 11180340, 13043730, 15652476, 19565595, 26087460, 39131190, 78262380]

約数ペア:

[(1, 78262380), (2, 39131190), (3, 26087460), (4, 19565595), (5, 15652476), (6, 13043730), (7, 11180340), (9, 8695820), (10, 7826238), (12, 6521865), (14, 5590170), (15, 5217492), (18, 4347910), (20, 3913119), (21, 3726780), (28, 2795085), (30, 2608746), (35, 2236068), (36, 2173955), (42, 1863390), (45, 1739164), (60, 1304373), (63, 1242260), (70, 1118034), (84, 931695), (90, 869582), (105, 745356), (126, 621130), (140, 559017), (179, 437220), (180, 434791), (210, 372678), (252, 310565), (315, 248452), (347, 225540), (358, 218610), (420, 186339), (537, 145740), (630, 124226), (694, 112770), (716, 109305), (895, 87444), (1041, 75180), (1074, 72870), (1253, 62460), (1260, 62113), (1388, 56385), (1611, 48580), (1735, 45108), (1790, 43722), (2082, 37590), (2148, 36435), (2429, 32220), (2506, 31230), (2685, 29148), (3123, 25060), (3222, 24290), (3470, 22554), (3580, 21861), (3759, 20820), (4164, 18795), (4858, 16110), (5012, 15615), (5205, 15036), (5370, 14574), (6246, 12530), (6265, 12492), (6444, 12145), (6940, 11277), (7287, 10740), (7518, 10410), (8055, 9716)]