131409240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4261}}^1$

素因数の和:4532

約数の個数: 64

約数和(自身を含む): 395854560

約数和(自身を除く): 264445320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4261, 5140, 6168, 7710, 8522, 10280, 12783, 15420, 17044, 21305, 25566, 30840, 34088, 42610, 51132, 63915, 85220, 102264, 127830, 170440, 255660, 511320, 1095077, 2190154, 3285231, 4380308, 5475385, 6570462, 8760616, 10950770, 13140924, 16426155, 21901540, 26281848, 32852310, 43803080, 65704620, 131409240]

約数ペア:

[(1, 131409240), (2, 65704620), (3, 43803080), (4, 32852310), (5, 26281848), (6, 21901540), (8, 16426155), (10, 13140924), (12, 10950770), (15, 8760616), (20, 6570462), (24, 5475385), (30, 4380308), (40, 3285231), (60, 2190154), (120, 1095077), (257, 511320), (514, 255660), (771, 170440), (1028, 127830), (1285, 102264), (1542, 85220), (2056, 63915), (2570, 51132), (3084, 42610), (3855, 34088), (4261, 30840), (5140, 25566), (6168, 21305), (7710, 17044), (8522, 15420), (10280, 12783)]