180779340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{430427}}^1$

素因数の和:430446

約数の個数: 48

約数和(自身を含む): 578495232

約数和(自身を除く): 397715892

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, 430427, 860854, 1291281, 1721708, 2152135, 2582562, 3012989, 4304270, 5165124, 6025978, 6456405, 8608540, 9038967, 12051956, 12912810, 15064945, 18077934, 25825620, 30129890, 36155868, 45194835, 60259780, 90389670, 180779340]

約数ペア:

[(1, 180779340), (2, 90389670), (3, 60259780), (4, 45194835), (5, 36155868), (6, 30129890), (7, 25825620), (10, 18077934), (12, 15064945), (14, 12912810), (15, 12051956), (20, 9038967), (21, 8608540), (28, 6456405), (30, 6025978), (35, 5165124), (42, 4304270), (60, 3012989), (70, 2582562), (84, 2152135), (105, 1721708), (140, 1291281), (210, 860854), (420, 430427)]