78536920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 225815040

約数和(自身を除く): 147278120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 593, 602, 616, 770, 860, 946, 1186, 1204, 1505, 1540, 1720, 1892, 2365, 2372, 2408, 2965, 3010, 3080, 3311, 3784, 4151, 4730, 4744, 5930, 6020, 6523, 6622, 8302, 9460, 11860, 12040, 13046, 13244, 16555, 16604, 18920, 20755, 23720, 25499, 26092, 26488, 32615, 33110, 33208, 41510, 45661, 50998, 52184, 65230, 66220, 83020, 91322, 101996, 127495, 130460, 132440, 166040, 178493, 182644, 203992, 228305, 254990, 260920, 280489, 356986, 365288, 456610, 509980, 560978, 713972, 892465, 913220, 1019960, 1121956, 1402445, 1427944, 1784930, 1826440, 1963423, 2243912, 2804890, 3569860, 3926846, 5609780, 7139720, 7853692, 9817115, 11219560, 15707384, 19634230, 39268460, 78536920]

約数ペア:

[(1, 78536920), (2, 39268460), (4, 19634230), (5, 15707384), (7, 11219560), (8, 9817115), (10, 7853692), (11, 7139720), (14, 5609780), (20, 3926846), (22, 3569860), (28, 2804890), (35, 2243912), (40, 1963423), (43, 1826440), (44, 1784930), (55, 1427944), (56, 1402445), (70, 1121956), (77, 1019960), (86, 913220), (88, 892465), (110, 713972), (140, 560978), (154, 509980), (172, 456610), (215, 365288), (220, 356986), (280, 280489), (301, 260920), (308, 254990), (344, 228305), (385, 203992), (430, 182644), (440, 178493), (473, 166040), (593, 132440), (602, 130460), (616, 127495), (770, 101996), (860, 91322), (946, 83020), (1186, 66220), (1204, 65230), (1505, 52184), (1540, 50998), (1720, 45661), (1892, 41510), (2365, 33208), (2372, 33110), (2408, 32615), (2965, 26488), (3010, 26092), (3080, 25499), (3311, 23720), (3784, 20755), (4151, 18920), (4730, 16604), (4744, 16555), (5930, 13244), (6020, 13046), (6523, 12040), (6622, 11860), (8302, 9460)]