270575340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{644227}}^1$

素因数の和:644246

約数の個数: 48

約数和(自身を含む): 865842432

約数和(自身を除く): 595267092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 644227, 1288454, 1932681, 2576908, 3221135, 3865362, 4509589, 6442270, 7730724, 9019178, 9663405, 12884540, 13528767, 18038356, 19326810, 22547945, 27057534, 38653620, 45095890, 54115068, 67643835, 90191780, 135287670, 270575340]

約数ペア:

[(1, 270575340), (2, 135287670), (3, 90191780), (4, 67643835), (5, 54115068), (6, 45095890), (7, 38653620), (10, 27057534), (12, 22547945), (14, 19326810), (15, 18038356), (20, 13528767), (21, 12884540), (28, 9663405), (30, 9019178), (35, 7730724), (42, 6442270), (60, 4509589), (70, 3865362), (84, 3221135), (105, 2576908), (140, 1932681), (210, 1288454), (420, 644227)]