1520795360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{193979}}^1$

素因数の和:194008

約数の個数: 72

約数和(自身を含む): 4179493080

約数和(自身を除く): 2658697720

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, 193979, 387958, 775916, 969895, 1357853, 1551832, 1939790, 2715706, 3103664, 3879580, 5431412, 6207328, 6789265, 7759160, 9504971, 10862824, 13578530, 15518320, 19009942, 21725648, 27157060, 31036640, 38019884, 43451296, 47524855, 54314120, 76039768, 95049710, 108628240, 152079536, 190099420, 217256480, 304159072, 380198840, 760397680, 1520795360]

約数ペア:

[(1, 1520795360), (2, 760397680), (4, 380198840), (5, 304159072), (7, 217256480), (8, 190099420), (10, 152079536), (14, 108628240), (16, 95049710), (20, 76039768), (28, 54314120), (32, 47524855), (35, 43451296), (40, 38019884), (49, 31036640), (56, 27157060), (70, 21725648), (80, 19009942), (98, 15518320), (112, 13578530), (140, 10862824), (160, 9504971), (196, 7759160), (224, 6789265), (245, 6207328), (280, 5431412), (392, 3879580), (490, 3103664), (560, 2715706), (784, 1939790), (980, 1551832), (1120, 1357853), (1568, 969895), (1960, 775916), (3920, 387958), (7840, 193979)]