255247440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1269

約数の個数: 160

約数和(自身を含む): 911727360

約数和(自身を除く): 656479920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 137, 140, 168, 210, 240, 274, 280, 336, 411, 420, 548, 560, 685, 822, 840, 959, 1096, 1109, 1370, 1644, 1680, 1918, 2055, 2192, 2218, 2740, 2877, 3288, 3327, 3836, 4110, 4436, 4795, 5480, 5545, 5754, 6576, 6654, 7672, 7763, 8220, 8872, 9590, 10960, 11090, 11508, 13308, 14385, 15344, 15526, 16440, 16635, 17744, 19180, 22180, 23016, 23289, 26616, 28770, 31052, 32880, 33270, 38360, 38815, 44360, 46032, 46578, 53232, 57540, 62104, 66540, 76720, 77630, 88720, 93156, 115080, 116445, 124208, 133080, 151933, 155260, 186312, 230160, 232890, 266160, 303866, 310520, 372624, 455799, 465780, 607732, 621040, 759665, 911598, 931560, 1063531, 1215464, 1519330, 1823196, 1863120, 2127062, 2278995, 2430928, 3038660, 3190593, 3646392, 4254124, 4557990, 5317655, 6077320, 6381186, 7292784, 8508248, 9115980, 10635310, 12154640, 12762372, 15952965, 17016496, 18231960, 21270620, 25524744, 31905930, 36463920, 42541240, 51049488, 63811860, 85082480, 127623720, 255247440]

約数ペア:

[(1, 255247440), (2, 127623720), (3, 85082480), (4, 63811860), (5, 51049488), (6, 42541240), (7, 36463920), (8, 31905930), (10, 25524744), (12, 21270620), (14, 18231960), (15, 17016496), (16, 15952965), (20, 12762372), (21, 12154640), (24, 10635310), (28, 9115980), (30, 8508248), (35, 7292784), (40, 6381186), (42, 6077320), (48, 5317655), (56, 4557990), (60, 4254124), (70, 3646392), (80, 3190593), (84, 3038660), (105, 2430928), (112, 2278995), (120, 2127062), (137, 1863120), (140, 1823196), (168, 1519330), (210, 1215464), (240, 1063531), (274, 931560), (280, 911598), (336, 759665), (411, 621040), (420, 607732), (548, 465780), (560, 455799), (685, 372624), (822, 310520), (840, 303866), (959, 266160), (1096, 232890), (1109, 230160), (1370, 186312), (1644, 155260), (1680, 151933), (1918, 133080), (2055, 124208), (2192, 116445), (2218, 115080), (2740, 93156), (2877, 88720), (3288, 77630), (3327, 76720), (3836, 66540), (4110, 62104), (4436, 57540), (4795, 53232), (5480, 46578), (5545, 46032), (5754, 44360), (6576, 38815), (6654, 38360), (7672, 33270), (7763, 32880), (8220, 31052), (8872, 28770), (9590, 26616), (10960, 23289), (11090, 23016), (11508, 22180), (13308, 19180), (14385, 17744), (15344, 16635), (15526, 16440)]