257625760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 741146112

約数和(自身を除く): 483520352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 73, 80, 92, 112, 115, 137, 140, 146, 160, 161, 184, 224, 230, 274, 280, 292, 322, 365, 368, 460, 511, 548, 560, 584, 644, 685, 730, 736, 805, 920, 959, 1022, 1096, 1120, 1168, 1288, 1370, 1460, 1610, 1679, 1840, 1918, 2044, 2192, 2336, 2555, 2576, 2740, 2920, 3151, 3220, 3358, 3680, 3836, 4088, 4384, 4795, 5110, 5152, 5480, 5840, 6302, 6440, 6716, 7672, 8176, 8395, 9590, 10001, 10220, 10960, 11680, 11753, 12604, 12880, 13432, 15344, 15755, 16352, 16790, 19180, 20002, 20440, 21920, 22057, 23506, 25208, 25760, 26864, 30688, 31510, 33580, 38360, 40004, 40880, 44114, 47012, 50005, 50416, 53728, 58765, 63020, 67160, 70007, 76720, 80008, 81760, 88228, 94024, 100010, 100832, 110285, 117530, 126040, 134320, 140014, 153440, 160016, 176456, 188048, 200020, 220570, 230023, 235060, 252080, 268640, 280028, 320032, 350035, 352912, 376096, 400040, 441140, 460046, 470120, 504160, 560056, 700070, 705824, 800080, 882280, 920092, 940240, 1120112, 1150115, 1400140, 1600160, 1610161, 1764560, 1840184, 1880480, 2240224, 2300230, 2800280, 3220322, 3529120, 3680368, 4600460, 5600560, 6440644, 7360736, 8050805, 9200920, 11201120, 12881288, 16101610, 18401840, 25762576, 32203220, 36803680, 51525152, 64406440, 128812880, 257625760]

約数ペア:

[(1, 257625760), (2, 128812880), (4, 64406440), (5, 51525152), (7, 36803680), (8, 32203220), (10, 25762576), (14, 18401840), (16, 16101610), (20, 12881288), (23, 11201120), (28, 9200920), (32, 8050805), (35, 7360736), (40, 6440644), (46, 5600560), (56, 4600460), (70, 3680368), (73, 3529120), (80, 3220322), (92, 2800280), (112, 2300230), (115, 2240224), (137, 1880480), (140, 1840184), (146, 1764560), (160, 1610161), (161, 1600160), (184, 1400140), (224, 1150115), (230, 1120112), (274, 940240), (280, 920092), (292, 882280), (322, 800080), (365, 705824), (368, 700070), (460, 560056), (511, 504160), (548, 470120), (560, 460046), (584, 441140), (644, 400040), (685, 376096), (730, 352912), (736, 350035), (805, 320032), (920, 280028), (959, 268640), (1022, 252080), (1096, 235060), (1120, 230023), (1168, 220570), (1288, 200020), (1370, 188048), (1460, 176456), (1610, 160016), (1679, 153440), (1840, 140014), (1918, 134320), (2044, 126040), (2192, 117530), (2336, 110285), (2555, 100832), (2576, 100010), (2740, 94024), (2920, 88228), (3151, 81760), (3220, 80008), (3358, 76720), (3680, 70007), (3836, 67160), (4088, 63020), (4384, 58765), (4795, 53728), (5110, 50416), (5152, 50005), (5480, 47012), (5840, 44114), (6302, 40880), (6440, 40004), (6716, 38360), (7672, 33580), (8176, 31510), (8395, 30688), (9590, 26864), (10001, 25760), (10220, 25208), (10960, 23506), (11680, 22057), (11753, 21920), (12604, 20440), (12880, 20002), (13432, 19180), (15344, 16790), (15755, 16352)]