65507820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8209}}^1$

素因数の和:8247

約数の個数: 96

約数和(自身を含む): 220684800

約数和(自身を除く): 155176980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 8209, 16418, 24627, 32836, 41045, 49254, 57463, 82090, 98508, 114926, 123135, 155971, 164180, 172389, 229852, 246270, 287315, 311942, 344778, 467913, 492540, 574630, 623884, 689556, 779855, 861945, 935826, 1091797, 1149260, 1559710, 1723890, 1871652, 2183594, 2339565, 3119420, 3275391, 3447780, 4367188, 4679130, 5458985, 6550782, 9358260, 10917970, 13101564, 16376955, 21835940, 32753910, 65507820]

約数ペア:

[(1, 65507820), (2, 32753910), (3, 21835940), (4, 16376955), (5, 13101564), (6, 10917970), (7, 9358260), (10, 6550782), (12, 5458985), (14, 4679130), (15, 4367188), (19, 3447780), (20, 3275391), (21, 3119420), (28, 2339565), (30, 2183594), (35, 1871652), (38, 1723890), (42, 1559710), (57, 1149260), (60, 1091797), (70, 935826), (76, 861945), (84, 779855), (95, 689556), (105, 623884), (114, 574630), (133, 492540), (140, 467913), (190, 344778), (210, 311942), (228, 287315), (266, 246270), (285, 229852), (380, 172389), (399, 164180), (420, 155971), (532, 123135), (570, 114926), (665, 98508), (798, 82090), (1140, 57463), (1330, 49254), (1596, 41045), (1995, 32836), (2660, 24627), (3990, 16418), (7980, 8209)]