489085920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20017

約数の個数: 144

約数和(自身を含む): 1767270960

約数和(自身を除く): 1278185040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 12240, 19979, 24480, 39958, 59937, 79916, 99895, 119874, 159832, 179811, 199790, 239748, 299685, 319664, 339643, 359622, 399580, 479496, 599370, 639328, 679286, 719244, 799160, 899055, 958992, 1018929, 1198740, 1358572, 1438488, 1598320, 1698215, 1798110, 1917984, 2037858, 2397480, 2717144, 2876976, 3056787, 3196640, 3396430, 3596220, 4075716, 4794960, 5094645, 5434288, 5753952, 6113574, 6792860, 7192440, 8151432, 9589920, 10189290, 10868576, 12227148, 13585720, 14384880, 15283935, 16302864, 20378580, 24454296, 27171440, 28769760, 30567870, 32605728, 40757160, 48908592, 54342880, 61135740, 81514320, 97817184, 122271480, 163028640, 244542960, 489085920]

約数ペア:

[(1, 489085920), (2, 244542960), (3, 163028640), (4, 122271480), (5, 97817184), (6, 81514320), (8, 61135740), (9, 54342880), (10, 48908592), (12, 40757160), (15, 32605728), (16, 30567870), (17, 28769760), (18, 27171440), (20, 24454296), (24, 20378580), (30, 16302864), (32, 15283935), (34, 14384880), (36, 13585720), (40, 12227148), (45, 10868576), (48, 10189290), (51, 9589920), (60, 8151432), (68, 7192440), (72, 6792860), (80, 6113574), (85, 5753952), (90, 5434288), (96, 5094645), (102, 4794960), (120, 4075716), (136, 3596220), (144, 3396430), (153, 3196640), (160, 3056787), (170, 2876976), (180, 2717144), (204, 2397480), (240, 2037858), (255, 1917984), (272, 1798110), (288, 1698215), (306, 1598320), (340, 1438488), (360, 1358572), (408, 1198740), (480, 1018929), (510, 958992), (544, 899055), (612, 799160), (680, 719244), (720, 679286), (765, 639328), (816, 599370), (1020, 479496), (1224, 399580), (1360, 359622), (1440, 339643), (1530, 319664), (1632, 299685), (2040, 239748), (2448, 199790), (2720, 179811), (3060, 159832), (4080, 119874), (4896, 99895), (6120, 79916), (8160, 59937), (12240, 39958), (19979, 24480)]