266238840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{316951}}^1$

素因数の和:316972

約数の個数: 64

約数和(自身を含む): 912821760

約数和(自身を除く): 646582920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 316951, 633902, 950853, 1267804, 1584755, 1901706, 2218657, 2535608, 3169510, 3803412, 4437314, 4754265, 6339020, 6655971, 7606824, 8874628, 9508530, 11093285, 12678040, 13311942, 17749256, 19017060, 22186570, 26623884, 33279855, 38034120, 44373140, 53247768, 66559710, 88746280, 133119420, 266238840]

約数ペア:

[(1, 266238840), (2, 133119420), (3, 88746280), (4, 66559710), (5, 53247768), (6, 44373140), (7, 38034120), (8, 33279855), (10, 26623884), (12, 22186570), (14, 19017060), (15, 17749256), (20, 13311942), (21, 12678040), (24, 11093285), (28, 9508530), (30, 8874628), (35, 7606824), (40, 6655971), (42, 6339020), (56, 4754265), (60, 4437314), (70, 3803412), (84, 3169510), (105, 2535608), (120, 2218657), (140, 1901706), (168, 1584755), (210, 1267804), (280, 950853), (420, 633902), (840, 316951)]