218686860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173561}}^1$

素因数の和:173583

約数の個数: 72

約数和(自身を含む): 758118816

約数和(自身を除く): 539431956

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, 173561, 347122, 520683, 694244, 867805, 1041366, 1214927, 1562049, 1735610, 2082732, 2429854, 2603415, 3124098, 3471220, 3644781, 4859708, 5206830, 6074635, 6248196, 7289562, 7810245, 10413660, 10934343, 12149270, 14579124, 15620490, 18223905, 21868686, 24298540, 31240980, 36447810, 43737372, 54671715, 72895620, 109343430, 218686860]

約数ペア:

[(1, 218686860), (2, 109343430), (3, 72895620), (4, 54671715), (5, 43737372), (6, 36447810), (7, 31240980), (9, 24298540), (10, 21868686), (12, 18223905), (14, 15620490), (15, 14579124), (18, 12149270), (20, 10934343), (21, 10413660), (28, 7810245), (30, 7289562), (35, 6248196), (36, 6074635), (42, 5206830), (45, 4859708), (60, 3644781), (63, 3471220), (70, 3124098), (84, 2603415), (90, 2429854), (105, 2082732), (126, 1735610), (140, 1562049), (180, 1214927), (210, 1041366), (252, 867805), (315, 694244), (420, 520683), (630, 347122), (1260, 173561)]