24780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 80640

約数和(自身を除く): 55860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 885, 1180, 1239, 1652, 1770, 2065, 2478, 3540, 4130, 4956, 6195, 8260, 12390, 24780]

約数ペア:

[(1, 24780), (2, 12390), (3, 8260), (4, 6195), (5, 4956), (6, 4130), (7, 3540), (10, 2478), (12, 2065), (14, 1770), (15, 1652), (20, 1239), (21, 1180), (28, 885), (30, 826), (35, 708), (42, 590), (59, 420), (60, 413), (70, 354), (84, 295), (105, 236), (118, 210), (140, 177)]