128868732

素因数分解:

$2^2\times 3^5\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 340035696

約数和(自身を除く): 211166964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 197, 243, 324, 394, 486, 591, 673, 788, 972, 1182, 1346, 1773, 2019, 2364, 2692, 3546, 4038, 5319, 6057, 7092, 8076, 10638, 12114, 15957, 18171, 21276, 24228, 31914, 36342, 47871, 54513, 63828, 72684, 95742, 109026, 132581, 163539, 191484, 218052, 265162, 327078, 397743, 530324, 654156, 795486, 1193229, 1590972, 2386458, 3579687, 4772916, 7159374, 10739061, 14318748, 21478122, 32217183, 42956244, 64434366, 128868732]

約数ペア:

[(1, 128868732), (2, 64434366), (3, 42956244), (4, 32217183), (6, 21478122), (9, 14318748), (12, 10739061), (18, 7159374), (27, 4772916), (36, 3579687), (54, 2386458), (81, 1590972), (108, 1193229), (162, 795486), (197, 654156), (243, 530324), (324, 397743), (394, 327078), (486, 265162), (591, 218052), (673, 191484), (788, 163539), (972, 132581), (1182, 109026), (1346, 95742), (1773, 72684), (2019, 63828), (2364, 54513), (2692, 47871), (3546, 36342), (4038, 31914), (5319, 24228), (6057, 21276), (7092, 18171), (8076, 15957), (10638, 12114)]