305538560

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 120

約数和(自身を含む): 761455728

約数和(自身を除く): 455917168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 71, 80, 82, 128, 142, 160, 164, 205, 256, 284, 320, 328, 355, 410, 512, 568, 640, 656, 710, 820, 1136, 1280, 1312, 1420, 1640, 1681, 2272, 2560, 2624, 2840, 2911, 3280, 3362, 4544, 5248, 5680, 5822, 6560, 6724, 8405, 9088, 10496, 11360, 11644, 13120, 13448, 14555, 16810, 18176, 20992, 22720, 23288, 26240, 26896, 29110, 33620, 36352, 45440, 46576, 52480, 53792, 58220, 67240, 90880, 93152, 104960, 107584, 116440, 119351, 134480, 181760, 186304, 215168, 232880, 238702, 268960, 372608, 430336, 465760, 477404, 537920, 596755, 745216, 860672, 931520, 954808, 1075840, 1193510, 1490432, 1863040, 1909616, 2151680, 2387020, 3726080, 3819232, 4303360, 4774040, 7452160, 7638464, 9548080, 15276928, 19096160, 30553856, 38192320, 61107712, 76384640, 152769280, 305538560]

約数ペア:

[(1, 305538560), (2, 152769280), (4, 76384640), (5, 61107712), (8, 38192320), (10, 30553856), (16, 19096160), (20, 15276928), (32, 9548080), (40, 7638464), (41, 7452160), (64, 4774040), (71, 4303360), (80, 3819232), (82, 3726080), (128, 2387020), (142, 2151680), (160, 1909616), (164, 1863040), (205, 1490432), (256, 1193510), (284, 1075840), (320, 954808), (328, 931520), (355, 860672), (410, 745216), (512, 596755), (568, 537920), (640, 477404), (656, 465760), (710, 430336), (820, 372608), (1136, 268960), (1280, 238702), (1312, 232880), (1420, 215168), (1640, 186304), (1681, 181760), (2272, 134480), (2560, 119351), (2624, 116440), (2840, 107584), (2911, 104960), (3280, 93152), (3362, 90880), (4544, 67240), (5248, 58220), (5680, 53792), (5822, 52480), (6560, 46576), (6724, 45440), (8405, 36352), (9088, 33620), (10496, 29110), (11360, 26896), (11644, 26240), (13120, 23288), (13448, 22720), (14555, 20992), (16810, 18176)]