78638280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 271641600

約数和(自身を除く): 193003320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 179, 210, 280, 358, 420, 523, 537, 716, 840, 895, 1046, 1074, 1253, 1432, 1569, 1790, 2092, 2148, 2506, 2615, 2685, 3138, 3580, 3661, 3759, 4184, 4296, 5012, 5230, 5370, 6265, 6276, 7160, 7322, 7518, 7845, 10024, 10460, 10740, 10983, 12530, 12552, 14644, 15036, 15690, 18305, 18795, 20920, 21480, 21966, 25060, 29288, 30072, 31380, 36610, 37590, 43932, 50120, 54915, 62760, 73220, 75180, 87864, 93617, 109830, 146440, 150360, 187234, 219660, 280851, 374468, 439320, 468085, 561702, 655319, 748936, 936170, 1123404, 1310638, 1404255, 1872340, 1965957, 2246808, 2621276, 2808510, 3276595, 3744680, 3931914, 5242552, 5617020, 6553190, 7863828, 9829785, 11234040, 13106380, 15727656, 19659570, 26212760, 39319140, 78638280]

約数ペア:

[(1, 78638280), (2, 39319140), (3, 26212760), (4, 19659570), (5, 15727656), (6, 13106380), (7, 11234040), (8, 9829785), (10, 7863828), (12, 6553190), (14, 5617020), (15, 5242552), (20, 3931914), (21, 3744680), (24, 3276595), (28, 2808510), (30, 2621276), (35, 2246808), (40, 1965957), (42, 1872340), (56, 1404255), (60, 1310638), (70, 1123404), (84, 936170), (105, 748936), (120, 655319), (140, 561702), (168, 468085), (179, 439320), (210, 374468), (280, 280851), (358, 219660), (420, 187234), (523, 150360), (537, 146440), (716, 109830), (840, 93617), (895, 87864), (1046, 75180), (1074, 73220), (1253, 62760), (1432, 54915), (1569, 50120), (1790, 43932), (2092, 37590), (2148, 36610), (2506, 31380), (2615, 30072), (2685, 29288), (3138, 25060), (3580, 21966), (3661, 21480), (3759, 20920), (4184, 18795), (4296, 18305), (5012, 15690), (5230, 15036), (5370, 14644), (6265, 12552), (6276, 12530), (7160, 10983), (7322, 10740), (7518, 10460), (7845, 10024)]