247928520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{295153}}^1$

素因数の和:295174

約数の個数: 64

約数和(自身を含む): 850043520

約数和(自身を除く): 602115000

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, 295153, 590306, 885459, 1180612, 1475765, 1770918, 2066071, 2361224, 2951530, 3541836, 4132142, 4427295, 5903060, 6198213, 7083672, 8264284, 8854590, 10330355, 11806120, 12396426, 16528568, 17709180, 20660710, 24792852, 30991065, 35418360, 41321420, 49585704, 61982130, 82642840, 123964260, 247928520]

約数ペア:

[(1, 247928520), (2, 123964260), (3, 82642840), (4, 61982130), (5, 49585704), (6, 41321420), (7, 35418360), (8, 30991065), (10, 24792852), (12, 20660710), (14, 17709180), (15, 16528568), (20, 12396426), (21, 11806120), (24, 10330355), (28, 8854590), (30, 8264284), (35, 7083672), (40, 6198213), (42, 5903060), (56, 4427295), (60, 4132142), (70, 3541836), (84, 2951530), (105, 2361224), (120, 2066071), (140, 1770918), (168, 1475765), (210, 1180612), (280, 885459), (420, 590306), (840, 295153)]