64120420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 96

約数和(自身を含む): 169344000

約数和(自身を除く): 105223580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 719, 910, 980, 1274, 1372, 1438, 1715, 1820, 2548, 2876, 3185, 3430, 3595, 4459, 5033, 6370, 6860, 7190, 8918, 9347, 10066, 12740, 14380, 17836, 18694, 20132, 22295, 25165, 35231, 37388, 44590, 46735, 50330, 65429, 70462, 89180, 93470, 100660, 130858, 140924, 176155, 186940, 246617, 261716, 327145, 352310, 458003, 493234, 654290, 704620, 916006, 986468, 1233085, 1308580, 1832012, 2290015, 2466170, 3206021, 4580030, 4932340, 6412042, 9160060, 12824084, 16030105, 32060210, 64120420]

約数ペア:

[(1, 64120420), (2, 32060210), (4, 16030105), (5, 12824084), (7, 9160060), (10, 6412042), (13, 4932340), (14, 4580030), (20, 3206021), (26, 2466170), (28, 2290015), (35, 1832012), (49, 1308580), (52, 1233085), (65, 986468), (70, 916006), (91, 704620), (98, 654290), (130, 493234), (140, 458003), (182, 352310), (196, 327145), (245, 261716), (260, 246617), (343, 186940), (364, 176155), (455, 140924), (490, 130858), (637, 100660), (686, 93470), (719, 89180), (910, 70462), (980, 65429), (1274, 50330), (1372, 46735), (1438, 44590), (1715, 37388), (1820, 35231), (2548, 25165), (2876, 22295), (3185, 20132), (3430, 18694), (3595, 17836), (4459, 14380), (5033, 12740), (6370, 10066), (6860, 9347), (7190, 8918)]