331340520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{394453}}^1$

素因数の和:394474

約数の個数: 64

約数和(自身を含む): 1136027520

約数和(自身を除く): 804687000

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, 394453, 788906, 1183359, 1577812, 1972265, 2366718, 2761171, 3155624, 3944530, 4733436, 5522342, 5916795, 7889060, 8283513, 9466872, 11044684, 11833590, 13805855, 15778120, 16567026, 22089368, 23667180, 27611710, 33134052, 41417565, 47334360, 55223420, 66268104, 82835130, 110446840, 165670260, 331340520]

約数ペア:

[(1, 331340520), (2, 165670260), (3, 110446840), (4, 82835130), (5, 66268104), (6, 55223420), (7, 47334360), (8, 41417565), (10, 33134052), (12, 27611710), (14, 23667180), (15, 22089368), (20, 16567026), (21, 15778120), (24, 13805855), (28, 11833590), (30, 11044684), (35, 9466872), (40, 8283513), (42, 7889060), (56, 5916795), (60, 5522342), (70, 4733436), (84, 3944530), (105, 3155624), (120, 2761171), (140, 2366718), (168, 1972265), (210, 1577812), (280, 1183359), (420, 788906), (840, 394453)]