30180080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7699}}^1$

素因数の和:7726

約数の個数: 60

約数和(自身を含む): 81635400

約数和(自身を除く): 51455320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7699, 15398, 30796, 38495, 53893, 61592, 76990, 107786, 123184, 153980, 215572, 269465, 307960, 377251, 431144, 538930, 615920, 754502, 862288, 1077860, 1509004, 1886255, 2155720, 3018008, 3772510, 4311440, 6036016, 7545020, 15090040, 30180080]

約数ペア:

[(1, 30180080), (2, 15090040), (4, 7545020), (5, 6036016), (7, 4311440), (8, 3772510), (10, 3018008), (14, 2155720), (16, 1886255), (20, 1509004), (28, 1077860), (35, 862288), (40, 754502), (49, 615920), (56, 538930), (70, 431144), (80, 377251), (98, 307960), (112, 269465), (140, 215572), (196, 153980), (245, 123184), (280, 107786), (392, 76990), (490, 61592), (560, 53893), (784, 38495), (980, 30796), (1960, 15398), (3920, 7699)]