138164320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17623}}^1$

素因数の和:17652

約数の個数: 72

約数和(自身を含む): 379726704

約数和(自身を除く): 241562384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17623, 35246, 70492, 88115, 123361, 140984, 176230, 246722, 281968, 352460, 493444, 563936, 616805, 704920, 863527, 986888, 1233610, 1409840, 1727054, 1973776, 2467220, 2819680, 3454108, 3947552, 4317635, 4934440, 6908216, 8635270, 9868880, 13816432, 17270540, 19737760, 27632864, 34541080, 69082160, 138164320]

約数ペア:

[(1, 138164320), (2, 69082160), (4, 34541080), (5, 27632864), (7, 19737760), (8, 17270540), (10, 13816432), (14, 9868880), (16, 8635270), (20, 6908216), (28, 4934440), (32, 4317635), (35, 3947552), (40, 3454108), (49, 2819680), (56, 2467220), (70, 1973776), (80, 1727054), (98, 1409840), (112, 1233610), (140, 986888), (160, 863527), (196, 704920), (224, 616805), (245, 563936), (280, 493444), (392, 352460), (490, 281968), (560, 246722), (784, 176230), (980, 140984), (1120, 123361), (1568, 88115), (1960, 70492), (3920, 35246), (7840, 17623)]