6405280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 18960480

約数和(自身を除く): 12555200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 43, 49, 56, 70, 76, 80, 86, 95, 98, 112, 133, 140, 152, 160, 172, 190, 196, 215, 224, 245, 266, 280, 301, 304, 344, 380, 392, 430, 490, 532, 560, 602, 608, 665, 688, 760, 784, 817, 860, 931, 980, 1064, 1120, 1204, 1330, 1376, 1505, 1520, 1568, 1634, 1720, 1862, 1960, 2107, 2128, 2408, 2660, 3010, 3040, 3268, 3440, 3724, 3920, 4085, 4214, 4256, 4655, 4816, 5320, 5719, 6020, 6536, 6880, 7448, 7840, 8170, 8428, 9310, 9632, 10535, 10640, 11438, 12040, 13072, 14896, 16340, 16856, 18620, 21070, 21280, 22876, 24080, 26144, 28595, 29792, 32680, 33712, 37240, 40033, 42140, 45752, 48160, 57190, 65360, 67424, 74480, 80066, 84280, 91504, 114380, 130720, 148960, 160132, 168560, 183008, 200165, 228760, 320264, 337120, 400330, 457520, 640528, 800660, 915040, 1281056, 1601320, 3202640, 6405280]

約数ペア:

[(1, 6405280), (2, 3202640), (4, 1601320), (5, 1281056), (7, 915040), (8, 800660), (10, 640528), (14, 457520), (16, 400330), (19, 337120), (20, 320264), (28, 228760), (32, 200165), (35, 183008), (38, 168560), (40, 160132), (43, 148960), (49, 130720), (56, 114380), (70, 91504), (76, 84280), (80, 80066), (86, 74480), (95, 67424), (98, 65360), (112, 57190), (133, 48160), (140, 45752), (152, 42140), (160, 40033), (172, 37240), (190, 33712), (196, 32680), (215, 29792), (224, 28595), (245, 26144), (266, 24080), (280, 22876), (301, 21280), (304, 21070), (344, 18620), (380, 16856), (392, 16340), (430, 14896), (490, 13072), (532, 12040), (560, 11438), (602, 10640), (608, 10535), (665, 9632), (688, 9310), (760, 8428), (784, 8170), (817, 7840), (860, 7448), (931, 6880), (980, 6536), (1064, 6020), (1120, 5719), (1204, 5320), (1330, 4816), (1376, 4655), (1505, 4256), (1520, 4214), (1568, 4085), (1634, 3920), (1720, 3724), (1862, 3440), (1960, 3268), (2107, 3040), (2128, 3010), (2408, 2660)]