28117440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:787

約数の個数: 168

約数和(自身を含む): 104290368

約数和(自身を除く): 76172928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 751, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1502, 1560, 1872, 2080, 2253, 2340, 2496, 2880, 3004, 3120, 3744, 3755, 4160, 4506, 4680, 6008, 6240, 6759, 7488, 7510, 9012, 9360, 9763, 11265, 12016, 12480, 13518, 15020, 18024, 18720, 19526, 22530, 24032, 27036, 29289, 30040, 33795, 36048, 37440, 39052, 45060, 48064, 48815, 54072, 58578, 60080, 67590, 72096, 78104, 87867, 90120, 97630, 108144, 117156, 120160, 135180, 144192, 146445, 156208, 175734, 180240, 195260, 216288, 234312, 240320, 270360, 292890, 312416, 351468, 360480, 390520, 432576, 439335, 468624, 540720, 585780, 624832, 702936, 720960, 781040, 878670, 937248, 1081440, 1171560, 1405872, 1562080, 1757340, 1874496, 2162880, 2343120, 2811744, 3124160, 3514680, 4686240, 5623488, 7029360, 9372480, 14058720, 28117440]

約数ペア:

[(1, 28117440), (2, 14058720), (3, 9372480), (4, 7029360), (5, 5623488), (6, 4686240), (8, 3514680), (9, 3124160), (10, 2811744), (12, 2343120), (13, 2162880), (15, 1874496), (16, 1757340), (18, 1562080), (20, 1405872), (24, 1171560), (26, 1081440), (30, 937248), (32, 878670), (36, 781040), (39, 720960), (40, 702936), (45, 624832), (48, 585780), (52, 540720), (60, 468624), (64, 439335), (65, 432576), (72, 390520), (78, 360480), (80, 351468), (90, 312416), (96, 292890), (104, 270360), (117, 240320), (120, 234312), (130, 216288), (144, 195260), (156, 180240), (160, 175734), (180, 156208), (192, 146445), (195, 144192), (208, 135180), (234, 120160), (240, 117156), (260, 108144), (288, 97630), (312, 90120), (320, 87867), (360, 78104), (390, 72096), (416, 67590), (468, 60080), (480, 58578), (520, 54072), (576, 48815), (585, 48064), (624, 45060), (720, 39052), (751, 37440), (780, 36048), (832, 33795), (936, 30040), (960, 29289), (1040, 27036), (1170, 24032), (1248, 22530), (1440, 19526), (1502, 18720), (1560, 18024), (1872, 15020), (2080, 13518), (2253, 12480), (2340, 12016), (2496, 11265), (2880, 9763), (3004, 9360), (3120, 9012), (3744, 7510), (3755, 7488), (4160, 6759), (4506, 6240), (4680, 6008)]