400068720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:709

約数の個数: 200

約数和(自身を含む): 1404914544

約数和(自身を除く): 1004845824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 107, 108, 120, 135, 144, 162, 180, 214, 216, 240, 270, 321, 324, 360, 405, 428, 432, 535, 540, 577, 642, 648, 720, 810, 856, 963, 1070, 1080, 1154, 1284, 1296, 1605, 1620, 1712, 1731, 1926, 2140, 2160, 2308, 2568, 2885, 2889, 3210, 3240, 3462, 3852, 4280, 4616, 4815, 5136, 5193, 5770, 5778, 6420, 6480, 6924, 7704, 8560, 8655, 8667, 9232, 9630, 10386, 11540, 11556, 12840, 13848, 14445, 15408, 15579, 17310, 17334, 19260, 20772, 23080, 23112, 25680, 25965, 27696, 28890, 31158, 34620, 34668, 38520, 41544, 43335, 46160, 46224, 46737, 51930, 57780, 61739, 62316, 69240, 69336, 77040, 77895, 83088, 86670, 93474, 103860, 115560, 123478, 124632, 138480, 138672, 155790, 173340, 185217, 186948, 207720, 231120, 233685, 246956, 249264, 308695, 311580, 346680, 370434, 373896, 415440, 467370, 493912, 555651, 617390, 623160, 693360, 740868, 747792, 926085, 934740, 987824, 1111302, 1234780, 1246320, 1481736, 1666953, 1852170, 1869480, 2222604, 2469560, 2778255, 2963472, 3333906, 3704340, 3738960, 4445208, 4939120, 5000859, 5556510, 6667812, 7408680, 8334765, 8890416, 10001718, 11113020, 13335624, 14817360, 16669530, 20003436, 22226040, 25004295, 26671248, 33339060, 40006872, 44452080, 50008590, 66678120, 80013744, 100017180, 133356240, 200034360, 400068720]

約数ペア:

[(1, 400068720), (2, 200034360), (3, 133356240), (4, 100017180), (5, 80013744), (6, 66678120), (8, 50008590), (9, 44452080), (10, 40006872), (12, 33339060), (15, 26671248), (16, 25004295), (18, 22226040), (20, 20003436), (24, 16669530), (27, 14817360), (30, 13335624), (36, 11113020), (40, 10001718), (45, 8890416), (48, 8334765), (54, 7408680), (60, 6667812), (72, 5556510), (80, 5000859), (81, 4939120), (90, 4445208), (107, 3738960), (108, 3704340), (120, 3333906), (135, 2963472), (144, 2778255), (162, 2469560), (180, 2222604), (214, 1869480), (216, 1852170), (240, 1666953), (270, 1481736), (321, 1246320), (324, 1234780), (360, 1111302), (405, 987824), (428, 934740), (432, 926085), (535, 747792), (540, 740868), (577, 693360), (642, 623160), (648, 617390), (720, 555651), (810, 493912), (856, 467370), (963, 415440), (1070, 373896), (1080, 370434), (1154, 346680), (1284, 311580), (1296, 308695), (1605, 249264), (1620, 246956), (1712, 233685), (1731, 231120), (1926, 207720), (2140, 186948), (2160, 185217), (2308, 173340), (2568, 155790), (2885, 138672), (2889, 138480), (3210, 124632), (3240, 123478), (3462, 115560), (3852, 103860), (4280, 93474), (4616, 86670), (4815, 83088), (5136, 77895), (5193, 77040), (5770, 69336), (5778, 69240), (6420, 62316), (6480, 61739), (6924, 57780), (7704, 51930), (8560, 46737), (8655, 46224), (8667, 46160), (9232, 43335), (9630, 41544), (10386, 38520), (11540, 34668), (11556, 34620), (12840, 31158), (13848, 28890), (14445, 27696), (15408, 25965), (15579, 25680), (17310, 23112), (17334, 23080), (19260, 20772)]