1798020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 6237504

約数和(自身を除く): 4439484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1427, 2854, 4281, 5708, 7135, 8562, 9989, 12843, 14270, 17124, 19978, 21405, 25686, 28540, 29967, 39956, 42810, 49945, 51372, 59934, 64215, 85620, 89901, 99890, 119868, 128430, 149835, 179802, 199780, 256860, 299670, 359604, 449505, 599340, 899010, 1798020]

約数ペア:

[(1, 1798020), (2, 899010), (3, 599340), (4, 449505), (5, 359604), (6, 299670), (7, 256860), (9, 199780), (10, 179802), (12, 149835), (14, 128430), (15, 119868), (18, 99890), (20, 89901), (21, 85620), (28, 64215), (30, 59934), (35, 51372), (36, 49945), (42, 42810), (45, 39956), (60, 29967), (63, 28540), (70, 25686), (84, 21405), (90, 19978), (105, 17124), (126, 14270), (140, 12843), (180, 9989), (210, 8562), (252, 7135), (315, 5708), (420, 4281), (630, 2854), (1260, 1427)]