140458920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{167213}}^1$

素因数の和:167234

約数の個数: 64

約数和(自身を含む): 481576320

約数和(自身を除く): 341117400

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, 167213, 334426, 501639, 668852, 836065, 1003278, 1170491, 1337704, 1672130, 2006556, 2340982, 2508195, 3344260, 3511473, 4013112, 4681964, 5016390, 5852455, 6688520, 7022946, 9363928, 10032780, 11704910, 14045892, 17557365, 20065560, 23409820, 28091784, 35114730, 46819640, 70229460, 140458920]

約数ペア:

[(1, 140458920), (2, 70229460), (3, 46819640), (4, 35114730), (5, 28091784), (6, 23409820), (7, 20065560), (8, 17557365), (10, 14045892), (12, 11704910), (14, 10032780), (15, 9363928), (20, 7022946), (21, 6688520), (24, 5852455), (28, 5016390), (30, 4681964), (35, 4013112), (40, 3511473), (42, 3344260), (56, 2508195), (60, 2340982), (70, 2006556), (84, 1672130), (105, 1337704), (120, 1170491), (140, 1003278), (168, 836065), (210, 668852), (280, 501639), (420, 334426), (840, 167213)]