55257720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 191116800

約数和(自身を除く): 135859080

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, 157, 168, 210, 280, 314, 419, 420, 471, 628, 785, 838, 840, 942, 1099, 1256, 1257, 1570, 1676, 1884, 2095, 2198, 2355, 2514, 2933, 3140, 3297, 3352, 3768, 4190, 4396, 4710, 5028, 5495, 5866, 6280, 6285, 6594, 8380, 8792, 8799, 9420, 10056, 10990, 11732, 12570, 13188, 14665, 16485, 16760, 17598, 18840, 21980, 23464, 25140, 26376, 29330, 32970, 35196, 43960, 43995, 50280, 58660, 65783, 65940, 70392, 87990, 117320, 131566, 131880, 175980, 197349, 263132, 328915, 351960, 394698, 460481, 526264, 657830, 789396, 920962, 986745, 1315660, 1381443, 1578792, 1841924, 1973490, 2302405, 2631320, 2762886, 3683848, 3946980, 4604810, 5525772, 6907215, 7893960, 9209620, 11051544, 13814430, 18419240, 27628860, 55257720]

約数ペア:

[(1, 55257720), (2, 27628860), (3, 18419240), (4, 13814430), (5, 11051544), (6, 9209620), (7, 7893960), (8, 6907215), (10, 5525772), (12, 4604810), (14, 3946980), (15, 3683848), (20, 2762886), (21, 2631320), (24, 2302405), (28, 1973490), (30, 1841924), (35, 1578792), (40, 1381443), (42, 1315660), (56, 986745), (60, 920962), (70, 789396), (84, 657830), (105, 526264), (120, 460481), (140, 394698), (157, 351960), (168, 328915), (210, 263132), (280, 197349), (314, 175980), (419, 131880), (420, 131566), (471, 117320), (628, 87990), (785, 70392), (838, 65940), (840, 65783), (942, 58660), (1099, 50280), (1256, 43995), (1257, 43960), (1570, 35196), (1676, 32970), (1884, 29330), (2095, 26376), (2198, 25140), (2355, 23464), (2514, 21980), (2933, 18840), (3140, 17598), (3297, 16760), (3352, 16485), (3768, 14665), (4190, 13188), (4396, 12570), (4710, 11732), (5028, 10990), (5495, 10056), (5866, 9420), (6280, 8799), (6285, 8792), (6594, 8380)]