252743120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 454354480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 79, 80, 112, 116, 140, 145, 158, 197, 203, 232, 280, 290, 316, 394, 395, 406, 464, 553, 560, 580, 632, 788, 790, 812, 985, 1015, 1106, 1160, 1264, 1379, 1576, 1580, 1624, 1970, 2030, 2212, 2291, 2320, 2758, 2765, 3152, 3160, 3248, 3940, 4060, 4424, 4582, 5516, 5530, 5713, 6320, 6895, 7880, 8120, 8848, 9164, 11032, 11060, 11426, 11455, 13790, 15563, 15760, 16037, 16240, 18328, 22064, 22120, 22852, 22910, 27580, 28565, 31126, 32074, 36656, 39991, 44240, 45704, 45820, 55160, 57130, 62252, 64148, 77815, 79982, 80185, 91408, 91640, 108941, 110320, 114260, 124504, 128296, 155630, 159964, 160370, 183280, 199955, 217882, 228520, 249008, 256592, 311260, 319928, 320740, 399910, 435764, 451327, 457040, 544705, 622520, 639856, 641480, 799820, 871528, 902654, 1089410, 1245040, 1282960, 1599640, 1743056, 1805308, 2178820, 2256635, 3159289, 3199280, 3610616, 4357640, 4513270, 6318578, 7221232, 8715280, 9026540, 12637156, 15796445, 18053080, 25274312, 31592890, 36106160, 50548624, 63185780, 126371560, 252743120]

約数ペア:

[(1, 252743120), (2, 126371560), (4, 63185780), (5, 50548624), (7, 36106160), (8, 31592890), (10, 25274312), (14, 18053080), (16, 15796445), (20, 12637156), (28, 9026540), (29, 8715280), (35, 7221232), (40, 6318578), (56, 4513270), (58, 4357640), (70, 3610616), (79, 3199280), (80, 3159289), (112, 2256635), (116, 2178820), (140, 1805308), (145, 1743056), (158, 1599640), (197, 1282960), (203, 1245040), (232, 1089410), (280, 902654), (290, 871528), (316, 799820), (394, 641480), (395, 639856), (406, 622520), (464, 544705), (553, 457040), (560, 451327), (580, 435764), (632, 399910), (788, 320740), (790, 319928), (812, 311260), (985, 256592), (1015, 249008), (1106, 228520), (1160, 217882), (1264, 199955), (1379, 183280), (1576, 160370), (1580, 159964), (1624, 155630), (1970, 128296), (2030, 124504), (2212, 114260), (2291, 110320), (2320, 108941), (2758, 91640), (2765, 91408), (3152, 80185), (3160, 79982), (3248, 77815), (3940, 64148), (4060, 62252), (4424, 57130), (4582, 55160), (5516, 45820), (5530, 45704), (5713, 44240), (6320, 39991), (6895, 36656), (7880, 32074), (8120, 31126), (8848, 28565), (9164, 27580), (11032, 22910), (11060, 22852), (11426, 22120), (11455, 22064), (13790, 18328), (15563, 16240), (15760, 16037)]