78282540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62129}}^1$

素因数の和:62151

約数の個数: 72

約数和(自身を含む): 271383840

約数和(自身を除く): 193101300

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, 210, 252, 315, 420, 630, 1260, 62129, 124258, 186387, 248516, 310645, 372774, 434903, 559161, 621290, 745548, 869806, 931935, 1118322, 1242580, 1304709, 1739612, 1863870, 2174515, 2236644, 2609418, 2795805, 3727740, 3914127, 4349030, 5218836, 5591610, 6523545, 7828254, 8698060, 11183220, 13047090, 15656508, 19570635, 26094180, 39141270, 78282540]

約数ペア:

[(1, 78282540), (2, 39141270), (3, 26094180), (4, 19570635), (5, 15656508), (6, 13047090), (7, 11183220), (9, 8698060), (10, 7828254), (12, 6523545), (14, 5591610), (15, 5218836), (18, 4349030), (20, 3914127), (21, 3727740), (28, 2795805), (30, 2609418), (35, 2236644), (36, 2174515), (42, 1863870), (45, 1739612), (60, 1304709), (63, 1242580), (70, 1118322), (84, 931935), (90, 869806), (105, 745548), (126, 621290), (140, 559161), (180, 434903), (210, 372774), (252, 310645), (315, 248516), (420, 186387), (630, 124258), (1260, 62129)]