561105540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{6247}}^1$

素因数の和:6761

約数の個数: 72

約数和(自身を含む): 1705704000

約数和(自身を除く): 1144598460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 6247, 7485, 8982, 9980, 12494, 14970, 17964, 18741, 22455, 24988, 29940, 31235, 37482, 44910, 56223, 62470, 74964, 89820, 93705, 112446, 124940, 187410, 224892, 281115, 374820, 562230, 1124460, 3117253, 6234506, 9351759, 12469012, 15586265, 18703518, 28055277, 31172530, 37407036, 46758795, 56110554, 62345060, 93517590, 112221108, 140276385, 187035180, 280552770, 561105540]

約数ペア:

[(1, 561105540), (2, 280552770), (3, 187035180), (4, 140276385), (5, 112221108), (6, 93517590), (9, 62345060), (10, 56110554), (12, 46758795), (15, 37407036), (18, 31172530), (20, 28055277), (30, 18703518), (36, 15586265), (45, 12469012), (60, 9351759), (90, 6234506), (180, 3117253), (499, 1124460), (998, 562230), (1497, 374820), (1996, 281115), (2495, 224892), (2994, 187410), (4491, 124940), (4990, 112446), (5988, 93705), (6247, 89820), (7485, 74964), (8982, 62470), (9980, 56223), (12494, 44910), (14970, 37482), (17964, 31235), (18741, 29940), (22455, 24988)]