25712520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{607}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 77483520

約数和(自身を除く): 51771000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 607, 706, 1059, 1214, 1412, 1765, 1821, 2118, 2428, 2824, 3035, 3530, 3642, 4236, 4856, 5295, 6070, 7060, 7284, 8472, 9105, 10590, 12140, 14120, 14568, 18210, 21180, 24280, 36420, 42360, 72840, 214271, 428542, 642813, 857084, 1071355, 1285626, 1714168, 2142710, 2571252, 3214065, 4285420, 5142504, 6428130, 8570840, 12856260, 25712520]

約数ペア:

[(1, 25712520), (2, 12856260), (3, 8570840), (4, 6428130), (5, 5142504), (6, 4285420), (8, 3214065), (10, 2571252), (12, 2142710), (15, 1714168), (20, 1285626), (24, 1071355), (30, 857084), (40, 642813), (60, 428542), (120, 214271), (353, 72840), (607, 42360), (706, 36420), (1059, 24280), (1214, 21180), (1412, 18210), (1765, 14568), (1821, 14120), (2118, 12140), (2428, 10590), (2824, 9105), (3035, 8472), (3530, 7284), (3642, 7060), (4236, 6070), (4856, 5295)]