331012920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{394063}}^1$

素因数の和:394084

約数の個数: 64

約数和(自身を含む): 1134904320

約数和(自身を除く): 803891400

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, 394063, 788126, 1182189, 1576252, 1970315, 2364378, 2758441, 3152504, 3940630, 4728756, 5516882, 5910945, 7881260, 8275323, 9457512, 11033764, 11821890, 13792205, 15762520, 16550646, 22067528, 23643780, 27584410, 33101292, 41376615, 47287560, 55168820, 66202584, 82753230, 110337640, 165506460, 331012920]

約数ペア:

[(1, 331012920), (2, 165506460), (3, 110337640), (4, 82753230), (5, 66202584), (6, 55168820), (7, 47287560), (8, 41376615), (10, 33101292), (12, 27584410), (14, 23643780), (15, 22067528), (20, 16550646), (21, 15762520), (24, 13792205), (28, 11821890), (30, 11033764), (35, 9457512), (40, 8275323), (42, 7881260), (56, 5910945), (60, 5516882), (70, 4728756), (84, 3940630), (105, 3152504), (120, 2758441), (140, 2364378), (168, 1970315), (210, 1576252), (280, 1182189), (420, 788126), (840, 394063)]