64073240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 182891520

約数和(自身を除く): 118818280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 293, 308, 355, 385, 440, 497, 568, 586, 616, 710, 770, 781, 994, 1172, 1420, 1465, 1540, 1562, 1988, 2051, 2344, 2485, 2840, 2930, 3080, 3124, 3223, 3905, 3976, 4102, 4970, 5467, 5860, 6248, 6446, 7810, 8204, 9940, 10255, 10934, 11720, 12892, 15620, 16115, 16408, 19880, 20510, 20803, 21868, 22561, 25784, 27335, 31240, 32230, 41020, 41606, 43736, 45122, 54670, 64460, 82040, 83212, 90244, 104015, 109340, 112805, 128920, 145621, 166424, 180488, 208030, 218680, 225610, 228833, 291242, 416060, 451220, 457666, 582484, 728105, 832120, 902440, 915332, 1144165, 1164968, 1456210, 1601831, 1830664, 2288330, 2912420, 3203662, 4576660, 5824840, 6407324, 8009155, 9153320, 12814648, 16018310, 32036620, 64073240]

約数ペア:

[(1, 64073240), (2, 32036620), (4, 16018310), (5, 12814648), (7, 9153320), (8, 8009155), (10, 6407324), (11, 5824840), (14, 4576660), (20, 3203662), (22, 2912420), (28, 2288330), (35, 1830664), (40, 1601831), (44, 1456210), (55, 1164968), (56, 1144165), (70, 915332), (71, 902440), (77, 832120), (88, 728105), (110, 582484), (140, 457666), (142, 451220), (154, 416060), (220, 291242), (280, 228833), (284, 225610), (293, 218680), (308, 208030), (355, 180488), (385, 166424), (440, 145621), (497, 128920), (568, 112805), (586, 109340), (616, 104015), (710, 90244), (770, 83212), (781, 82040), (994, 64460), (1172, 54670), (1420, 45122), (1465, 43736), (1540, 41606), (1562, 41020), (1988, 32230), (2051, 31240), (2344, 27335), (2485, 25784), (2840, 22561), (2930, 21868), (3080, 20803), (3124, 20510), (3223, 19880), (3905, 16408), (3976, 16115), (4102, 15620), (4970, 12892), (5467, 11720), (5860, 10934), (6248, 10255), (6446, 9940), (7810, 8204)]