28481040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5651}}^1$

素因数の和:5677

約数の個数: 120

約数和(自身を含む): 109332288

約数和(自身を除く): 80851248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5651, 11302, 16953, 22604, 28255, 33906, 39557, 45208, 50859, 56510, 67812, 79114, 84765, 90416, 101718, 113020, 118671, 135624, 158228, 169530, 197785, 203436, 226040, 237342, 254295, 271248, 316456, 339060, 356013, 395570, 406872, 452080, 474684, 508590, 593355, 632912, 678120, 712026, 791140, 813744, 949368, 1017180, 1186710, 1356240, 1424052, 1582280, 1780065, 1898736, 2034360, 2373420, 2848104, 3164560, 3560130, 4068720, 4746840, 5696208, 7120260, 9493680, 14240520, 28481040]

約数ペア:

[(1, 28481040), (2, 14240520), (3, 9493680), (4, 7120260), (5, 5696208), (6, 4746840), (7, 4068720), (8, 3560130), (9, 3164560), (10, 2848104), (12, 2373420), (14, 2034360), (15, 1898736), (16, 1780065), (18, 1582280), (20, 1424052), (21, 1356240), (24, 1186710), (28, 1017180), (30, 949368), (35, 813744), (36, 791140), (40, 712026), (42, 678120), (45, 632912), (48, 593355), (56, 508590), (60, 474684), (63, 452080), (70, 406872), (72, 395570), (80, 356013), (84, 339060), (90, 316456), (105, 271248), (112, 254295), (120, 237342), (126, 226040), (140, 203436), (144, 197785), (168, 169530), (180, 158228), (210, 135624), (240, 118671), (252, 113020), (280, 101718), (315, 90416), (336, 84765), (360, 79114), (420, 67812), (504, 56510), (560, 50859), (630, 45208), (720, 39557), (840, 33906), (1008, 28255), (1260, 22604), (1680, 16953), (2520, 11302), (5040, 5651)]