78839460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20857}}^1$

素因数の和:20882

約数の個数: 96

約数和(自身を含む): 280331520

約数和(自身を除く): 201492060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20857, 41714, 62571, 83428, 104285, 125142, 145999, 187713, 208570, 250284, 291998, 312855, 375426, 417140, 437997, 563139, 583996, 625710, 729995, 750852, 875994, 938565, 1126278, 1251420, 1313991, 1459990, 1751988, 1877130, 2189985, 2252556, 2627982, 2815695, 2919980, 3754260, 3941973, 4379970, 5255964, 5631390, 6569955, 7883946, 8759940, 11262780, 13139910, 15767892, 19709865, 26279820, 39419730, 78839460]

約数ペア:

[(1, 78839460), (2, 39419730), (3, 26279820), (4, 19709865), (5, 15767892), (6, 13139910), (7, 11262780), (9, 8759940), (10, 7883946), (12, 6569955), (14, 5631390), (15, 5255964), (18, 4379970), (20, 3941973), (21, 3754260), (27, 2919980), (28, 2815695), (30, 2627982), (35, 2252556), (36, 2189985), (42, 1877130), (45, 1751988), (54, 1459990), (60, 1313991), (63, 1251420), (70, 1126278), (84, 938565), (90, 875994), (105, 750852), (108, 729995), (126, 625710), (135, 583996), (140, 563139), (180, 437997), (189, 417140), (210, 375426), (252, 312855), (270, 291998), (315, 250284), (378, 208570), (420, 187713), (540, 145999), (630, 125142), (756, 104285), (945, 83428), (1260, 62571), (1890, 41714), (3780, 20857)]