1306760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2322040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 359, 364, 455, 520, 718, 728, 910, 1436, 1795, 1820, 2513, 2872, 3590, 3640, 4667, 5026, 7180, 9334, 10052, 12565, 14360, 18668, 20104, 23335, 25130, 32669, 37336, 46670, 50260, 65338, 93340, 100520, 130676, 163345, 186680, 261352, 326690, 653380, 1306760]

約数ペア:

[(1, 1306760), (2, 653380), (4, 326690), (5, 261352), (7, 186680), (8, 163345), (10, 130676), (13, 100520), (14, 93340), (20, 65338), (26, 50260), (28, 46670), (35, 37336), (40, 32669), (52, 25130), (56, 23335), (65, 20104), (70, 18668), (91, 14360), (104, 12565), (130, 10052), (140, 9334), (182, 7180), (260, 5026), (280, 4667), (359, 3640), (364, 3590), (455, 2872), (520, 2513), (718, 1820), (728, 1795), (910, 1436)]