78437520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 306408960

約数和(自身を除く): 227971440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 197, 210, 237, 240, 252, 280, 315, 316, 336, 360, 394, 395, 420, 474, 504, 553, 560, 591, 630, 632, 711, 720, 788, 790, 840, 948, 985, 1008, 1106, 1182, 1185, 1260, 1264, 1379, 1422, 1576, 1580, 1659, 1680, 1773, 1896, 1970, 2212, 2364, 2370, 2520, 2758, 2765, 2844, 2955, 3152, 3160, 3318, 3546, 3555, 3792, 3940, 4137, 4424, 4728, 4740, 4977, 5040, 5516, 5530, 5688, 5910, 6320, 6636, 6895, 7092, 7110, 7880, 8274, 8295, 8848, 8865, 9456, 9480, 9954, 11032, 11060, 11376, 11820, 12411, 13272, 13790, 14184, 14220, 15563, 15760, 16548, 16590, 17730, 18960, 19908, 20685, 22064, 22120, 23640, 24822, 24885, 26544, 27580, 28368, 28440, 31126, 33096, 33180, 35460, 39816, 41370, 44240, 46689, 47280, 49644, 49770, 55160, 56880, 62055, 62252, 66192, 66360, 70920, 77815, 79632, 82740, 93378, 99288, 99540, 108941, 110320, 124110, 124504, 132720, 140067, 141840, 155630, 165480, 186756, 198576, 199080, 217882, 233445, 248220, 249008, 280134, 311260, 326823, 330960, 373512, 398160, 435764, 466890, 496440, 544705, 560268, 622520, 653646, 700335, 747024, 871528, 933780, 980469, 992880, 1089410, 1120536, 1245040, 1307292, 1400670, 1634115, 1743056, 1867560, 1960938, 2178820, 2241072, 2614584, 2801340, 3268230, 3735120, 3921876, 4357640, 4902345, 5229168, 5602680, 6536460, 7843752, 8715280, 9804690, 11205360, 13072920, 15687504, 19609380, 26145840, 39218760, 78437520]

約数ペア:

[(1, 78437520), (2, 39218760), (3, 26145840), (4, 19609380), (5, 15687504), (6, 13072920), (7, 11205360), (8, 9804690), (9, 8715280), (10, 7843752), (12, 6536460), (14, 5602680), (15, 5229168), (16, 4902345), (18, 4357640), (20, 3921876), (21, 3735120), (24, 3268230), (28, 2801340), (30, 2614584), (35, 2241072), (36, 2178820), (40, 1960938), (42, 1867560), (45, 1743056), (48, 1634115), (56, 1400670), (60, 1307292), (63, 1245040), (70, 1120536), (72, 1089410), (79, 992880), (80, 980469), (84, 933780), (90, 871528), (105, 747024), (112, 700335), (120, 653646), (126, 622520), (140, 560268), (144, 544705), (158, 496440), (168, 466890), (180, 435764), (197, 398160), (210, 373512), (237, 330960), (240, 326823), (252, 311260), (280, 280134), (315, 249008), (316, 248220), (336, 233445), (360, 217882), (394, 199080), (395, 198576), (420, 186756), (474, 165480), (504, 155630), (553, 141840), (560, 140067), (591, 132720), (630, 124504), (632, 124110), (711, 110320), (720, 108941), (788, 99540), (790, 99288), (840, 93378), (948, 82740), (985, 79632), (1008, 77815), (1106, 70920), (1182, 66360), (1185, 66192), (1260, 62252), (1264, 62055), (1379, 56880), (1422, 55160), (1576, 49770), (1580, 49644), (1659, 47280), (1680, 46689), (1773, 44240), (1896, 41370), (1970, 39816), (2212, 35460), (2364, 33180), (2370, 33096), (2520, 31126), (2758, 28440), (2765, 28368), (2844, 27580), (2955, 26544), (3152, 24885), (3160, 24822), (3318, 23640), (3546, 22120), (3555, 22064), (3792, 20685), (3940, 19908), (4137, 18960), (4424, 17730), (4728, 16590), (4740, 16548), (4977, 15760), (5040, 15563), (5516, 14220), (5530, 14184), (5688, 13790), (5910, 13272), (6320, 12411), (6636, 11820), (6895, 11376), (7092, 11060), (7110, 11032), (7880, 9954), (8274, 9480), (8295, 9456), (8848, 8865)]