321281280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{167}}^2$

素因数の和:361

約数の個数: 162

約数和(自身を含む): 1118295906

約数和(自身を除く): 797014626

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 167, 180, 192, 240, 256, 288, 320, 334, 360, 384, 480, 501, 576, 640, 668, 720, 768, 835, 960, 1002, 1152, 1280, 1336, 1440, 1503, 1670, 1920, 2004, 2304, 2505, 2672, 2880, 3006, 3340, 3840, 4008, 5010, 5344, 5760, 6012, 6680, 7515, 8016, 10020, 10688, 11520, 12024, 13360, 15030, 16032, 20040, 21376, 24048, 26720, 27889, 30060, 32064, 40080, 42752, 48096, 53440, 55778, 60120, 64128, 80160, 83667, 96192, 106880, 111556, 120240, 128256, 139445, 160320, 167334, 192384, 213760, 223112, 240480, 251001, 278890, 320640, 334668, 384768, 418335, 446224, 480960, 502002, 557780, 641280, 669336, 836670, 892448, 961920, 1004004, 1115560, 1255005, 1338672, 1673340, 1784896, 1923840, 2008008, 2231120, 2510010, 2677344, 3346680, 3569792, 4016016, 4462240, 5020020, 5354688, 6693360, 7139584, 8032032, 8924480, 10040040, 10709376, 13386720, 16064064, 17848960, 20080080, 21418752, 26773440, 32128128, 35697920, 40160160, 53546880, 64256256, 80320320, 107093760, 160640640, 321281280]

約数ペア:

[(1, 321281280), (2, 160640640), (3, 107093760), (4, 80320320), (5, 64256256), (6, 53546880), (8, 40160160), (9, 35697920), (10, 32128128), (12, 26773440), (15, 21418752), (16, 20080080), (18, 17848960), (20, 16064064), (24, 13386720), (30, 10709376), (32, 10040040), (36, 8924480), (40, 8032032), (45, 7139584), (48, 6693360), (60, 5354688), (64, 5020020), (72, 4462240), (80, 4016016), (90, 3569792), (96, 3346680), (120, 2677344), (128, 2510010), (144, 2231120), (160, 2008008), (167, 1923840), (180, 1784896), (192, 1673340), (240, 1338672), (256, 1255005), (288, 1115560), (320, 1004004), (334, 961920), (360, 892448), (384, 836670), (480, 669336), (501, 641280), (576, 557780), (640, 502002), (668, 480960), (720, 446224), (768, 418335), (835, 384768), (960, 334668), (1002, 320640), (1152, 278890), (1280, 251001), (1336, 240480), (1440, 223112), (1503, 213760), (1670, 192384), (1920, 167334), (2004, 160320), (2304, 139445), (2505, 128256), (2672, 120240), (2880, 111556), (3006, 106880), (3340, 96192), (3840, 83667), (4008, 80160), (5010, 64128), (5344, 60120), (5760, 55778), (6012, 53440), (6680, 48096), (7515, 42752), (8016, 40080), (10020, 32064), (10688, 30060), (11520, 27889), (12024, 26720), (13360, 24048), (15030, 21376), (16032, 20040)]