2604780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 8190000

約数和(自身を除く): 5585220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 499, 522, 580, 870, 998, 1044, 1305, 1497, 1740, 1996, 2495, 2610, 2994, 4491, 4990, 5220, 5988, 7485, 8982, 9980, 14471, 14970, 17964, 22455, 28942, 29940, 43413, 44910, 57884, 72355, 86826, 89820, 130239, 144710, 173652, 217065, 260478, 289420, 434130, 520956, 651195, 868260, 1302390, 2604780]

約数ペア:

[(1, 2604780), (2, 1302390), (3, 868260), (4, 651195), (5, 520956), (6, 434130), (9, 289420), (10, 260478), (12, 217065), (15, 173652), (18, 144710), (20, 130239), (29, 89820), (30, 86826), (36, 72355), (45, 57884), (58, 44910), (60, 43413), (87, 29940), (90, 28942), (116, 22455), (145, 17964), (174, 14970), (180, 14471), (261, 9980), (290, 8982), (348, 7485), (435, 5988), (499, 5220), (522, 4990), (580, 4491), (870, 2994), (998, 2610), (1044, 2495), (1305, 1996), (1497, 1740)]