72987740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 96

約数和(自身を含む): 192568320

約数和(自身を除く): 119580580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1193, 1330, 1610, 1748, 2185, 2386, 2660, 3059, 3220, 4370, 4772, 5965, 6118, 8351, 8740, 11930, 12236, 15295, 16702, 22667, 23860, 27439, 30590, 33404, 41755, 45334, 54878, 61180, 83510, 90668, 109756, 113335, 137195, 158669, 167020, 192073, 226670, 274390, 317338, 384146, 453340, 521341, 548780, 634676, 768292, 793345, 960365, 1042682, 1586690, 1920730, 2085364, 2606705, 3173380, 3649387, 3841460, 5213410, 7298774, 10426820, 14597548, 18246935, 36493870, 72987740]

約数ペア:

[(1, 72987740), (2, 36493870), (4, 18246935), (5, 14597548), (7, 10426820), (10, 7298774), (14, 5213410), (19, 3841460), (20, 3649387), (23, 3173380), (28, 2606705), (35, 2085364), (38, 1920730), (46, 1586690), (70, 1042682), (76, 960365), (92, 793345), (95, 768292), (115, 634676), (133, 548780), (140, 521341), (161, 453340), (190, 384146), (230, 317338), (266, 274390), (322, 226670), (380, 192073), (437, 167020), (460, 158669), (532, 137195), (644, 113335), (665, 109756), (805, 90668), (874, 83510), (1193, 61180), (1330, 54878), (1610, 45334), (1748, 41755), (2185, 33404), (2386, 30590), (2660, 27439), (3059, 23860), (3220, 22667), (4370, 16702), (4772, 15295), (5965, 12236), (6118, 11930), (8351, 8740)]