145168520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1181}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 374457600

約数和(自身を除く): 229289080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1181, 1756, 2195, 2362, 3073, 3512, 4390, 4724, 5905, 6146, 8267, 8780, 9448, 11810, 12292, 15365, 16534, 17560, 23620, 24584, 30730, 33068, 41335, 47240, 61460, 66136, 82670, 122920, 165340, 330680, 518459, 1036918, 2073836, 2592295, 3629213, 4147672, 5184590, 7258426, 10369180, 14516852, 18146065, 20738360, 29033704, 36292130, 72584260, 145168520]

約数ペア:

[(1, 145168520), (2, 72584260), (4, 36292130), (5, 29033704), (7, 20738360), (8, 18146065), (10, 14516852), (14, 10369180), (20, 7258426), (28, 5184590), (35, 4147672), (40, 3629213), (56, 2592295), (70, 2073836), (140, 1036918), (280, 518459), (439, 330680), (878, 165340), (1181, 122920), (1756, 82670), (2195, 66136), (2362, 61460), (3073, 47240), (3512, 41335), (4390, 33068), (4724, 30730), (5905, 24584), (6146, 23620), (8267, 17560), (8780, 16534), (9448, 15365), (11810, 12292)]