220455840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1043

約数の個数: 192

約数和(自身を含む): 775982592

約数和(自身を除く): 555526752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 96, 110, 120, 129, 132, 160, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 352, 430, 440, 473, 480, 516, 528, 645, 660, 688, 860, 880, 946, 971, 1032, 1056, 1290, 1320, 1376, 1419, 1720, 1760, 1892, 1942, 2064, 2365, 2580, 2640, 2838, 2913, 3440, 3784, 3884, 4128, 4730, 4855, 5160, 5280, 5676, 5826, 6880, 7095, 7568, 7768, 9460, 9710, 10320, 10681, 11352, 11652, 14190, 14565, 15136, 15536, 18920, 19420, 20640, 21362, 22704, 23304, 28380, 29130, 31072, 32043, 37840, 38840, 41753, 42724, 45408, 46608, 53405, 56760, 58260, 64086, 75680, 77680, 83506, 85448, 93216, 106810, 113520, 116520, 125259, 128172, 155360, 160215, 167012, 170896, 208765, 213620, 227040, 233040, 250518, 256344, 320430, 334024, 341792, 417530, 427240, 459283, 466080, 501036, 512688, 626295, 640860, 668048, 835060, 854480, 918566, 1002072, 1025376, 1252590, 1281720, 1336096, 1377849, 1670120, 1708960, 1837132, 2004144, 2296415, 2505180, 2563440, 2755698, 3340240, 3674264, 4008288, 4592830, 5010360, 5126880, 5511396, 6680480, 6889245, 7348528, 9185660, 10020720, 11022792, 13778490, 14697056, 18371320, 20041440, 22045584, 27556980, 36742640, 44091168, 55113960, 73485280, 110227920, 220455840]

約数ペア:

[(1, 220455840), (2, 110227920), (3, 73485280), (4, 55113960), (5, 44091168), (6, 36742640), (8, 27556980), (10, 22045584), (11, 20041440), (12, 18371320), (15, 14697056), (16, 13778490), (20, 11022792), (22, 10020720), (24, 9185660), (30, 7348528), (32, 6889245), (33, 6680480), (40, 5511396), (43, 5126880), (44, 5010360), (48, 4592830), (55, 4008288), (60, 3674264), (66, 3340240), (80, 2755698), (86, 2563440), (88, 2505180), (96, 2296415), (110, 2004144), (120, 1837132), (129, 1708960), (132, 1670120), (160, 1377849), (165, 1336096), (172, 1281720), (176, 1252590), (215, 1025376), (220, 1002072), (240, 918566), (258, 854480), (264, 835060), (330, 668048), (344, 640860), (352, 626295), (430, 512688), (440, 501036), (473, 466080), (480, 459283), (516, 427240), (528, 417530), (645, 341792), (660, 334024), (688, 320430), (860, 256344), (880, 250518), (946, 233040), (971, 227040), (1032, 213620), (1056, 208765), (1290, 170896), (1320, 167012), (1376, 160215), (1419, 155360), (1720, 128172), (1760, 125259), (1892, 116520), (1942, 113520), (2064, 106810), (2365, 93216), (2580, 85448), (2640, 83506), (2838, 77680), (2913, 75680), (3440, 64086), (3784, 58260), (3884, 56760), (4128, 53405), (4730, 46608), (4855, 45408), (5160, 42724), (5280, 41753), (5676, 38840), (5826, 37840), (6880, 32043), (7095, 31072), (7568, 29130), (7768, 28380), (9460, 23304), (9710, 22704), (10320, 21362), (10681, 20640), (11352, 19420), (11652, 18920), (14190, 15536), (14565, 15136)]