725340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 2548224

約数和(自身を除く): 1822884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 157, 165, 210, 220, 231, 308, 314, 330, 385, 420, 462, 471, 628, 660, 770, 785, 924, 942, 1099, 1155, 1540, 1570, 1727, 1884, 2198, 2310, 2355, 3140, 3297, 3454, 4396, 4620, 4710, 5181, 5495, 6594, 6908, 8635, 9420, 10362, 10990, 12089, 13188, 16485, 17270, 20724, 21980, 24178, 25905, 32970, 34540, 36267, 48356, 51810, 60445, 65940, 72534, 103620, 120890, 145068, 181335, 241780, 362670, 725340]

約数ペア:

[(1, 725340), (2, 362670), (3, 241780), (4, 181335), (5, 145068), (6, 120890), (7, 103620), (10, 72534), (11, 65940), (12, 60445), (14, 51810), (15, 48356), (20, 36267), (21, 34540), (22, 32970), (28, 25905), (30, 24178), (33, 21980), (35, 20724), (42, 17270), (44, 16485), (55, 13188), (60, 12089), (66, 10990), (70, 10362), (77, 9420), (84, 8635), (105, 6908), (110, 6594), (132, 5495), (140, 5181), (154, 4710), (157, 4620), (165, 4396), (210, 3454), (220, 3297), (231, 3140), (308, 2355), (314, 2310), (330, 2198), (385, 1884), (420, 1727), (462, 1570), (471, 1540), (628, 1155), (660, 1099), (770, 942), (785, 924)]