280585760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2795

約数の個数: 144

約数和(自身を含む): 830727576

約数和(自身を除く): 550141816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2753, 2912, 3185, 3640, 3920, 5096, 5506, 6370, 7280, 7840, 10192, 11012, 12740, 13765, 14560, 19271, 20384, 22024, 25480, 27530, 35789, 38542, 44048, 50960, 55060, 71578, 77084, 88096, 96355, 101920, 110120, 134897, 143156, 154168, 178945, 192710, 220240, 250523, 269794, 286312, 308336, 357890, 385420, 440480, 501046, 539588, 572624, 616672, 674485, 715780, 770840, 1002092, 1079176, 1145248, 1252615, 1348970, 1431560, 1541680, 1753661, 2004184, 2158352, 2505230, 2697940, 2863120, 3083360, 3507322, 4008368, 4316704, 5010460, 5395880, 5726240, 7014644, 8016736, 8768305, 10020920, 10791760, 14029288, 17536610, 20041840, 21583520, 28058576, 35073220, 40083680, 56117152, 70146440, 140292880, 280585760]

約数ペア:

[(1, 280585760), (2, 140292880), (4, 70146440), (5, 56117152), (7, 40083680), (8, 35073220), (10, 28058576), (13, 21583520), (14, 20041840), (16, 17536610), (20, 14029288), (26, 10791760), (28, 10020920), (32, 8768305), (35, 8016736), (40, 7014644), (49, 5726240), (52, 5395880), (56, 5010460), (65, 4316704), (70, 4008368), (80, 3507322), (91, 3083360), (98, 2863120), (104, 2697940), (112, 2505230), (130, 2158352), (140, 2004184), (160, 1753661), (182, 1541680), (196, 1431560), (208, 1348970), (224, 1252615), (245, 1145248), (260, 1079176), (280, 1002092), (364, 770840), (392, 715780), (416, 674485), (455, 616672), (490, 572624), (520, 539588), (560, 501046), (637, 440480), (728, 385420), (784, 357890), (910, 308336), (980, 286312), (1040, 269794), (1120, 250523), (1274, 220240), (1456, 192710), (1568, 178945), (1820, 154168), (1960, 143156), (2080, 134897), (2548, 110120), (2753, 101920), (2912, 96355), (3185, 88096), (3640, 77084), (3920, 71578), (5096, 55060), (5506, 50960), (6370, 44048), (7280, 38542), (7840, 35789), (10192, 27530), (11012, 25480), (12740, 22024), (13765, 20384), (14560, 19271)]