38615720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 105114240

約数和(自身を除く): 66498520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 157, 172, 215, 220, 260, 286, 314, 344, 430, 440, 473, 520, 559, 572, 628, 715, 785, 860, 946, 1118, 1144, 1256, 1430, 1570, 1720, 1727, 1892, 2041, 2236, 2365, 2795, 2860, 3140, 3454, 3784, 4082, 4472, 4730, 5590, 5720, 6149, 6280, 6751, 6908, 8164, 8635, 9460, 10205, 11180, 12298, 13502, 13816, 16328, 17270, 18920, 20410, 22360, 22451, 24596, 27004, 30745, 33755, 34540, 40820, 44902, 49192, 54008, 61490, 67510, 69080, 74261, 81640, 87763, 89804, 112255, 122980, 135020, 148522, 175526, 179608, 224510, 245960, 270040, 297044, 351052, 371305, 438815, 449020, 594088, 702104, 742610, 877630, 898040, 965393, 1485220, 1755260, 1930786, 2970440, 3510520, 3861572, 4826965, 7723144, 9653930, 19307860, 38615720]

約数ペア:

[(1, 38615720), (2, 19307860), (4, 9653930), (5, 7723144), (8, 4826965), (10, 3861572), (11, 3510520), (13, 2970440), (20, 1930786), (22, 1755260), (26, 1485220), (40, 965393), (43, 898040), (44, 877630), (52, 742610), (55, 702104), (65, 594088), (86, 449020), (88, 438815), (104, 371305), (110, 351052), (130, 297044), (143, 270040), (157, 245960), (172, 224510), (215, 179608), (220, 175526), (260, 148522), (286, 135020), (314, 122980), (344, 112255), (430, 89804), (440, 87763), (473, 81640), (520, 74261), (559, 69080), (572, 67510), (628, 61490), (715, 54008), (785, 49192), (860, 44902), (946, 40820), (1118, 34540), (1144, 33755), (1256, 30745), (1430, 27004), (1570, 24596), (1720, 22451), (1727, 22360), (1892, 20410), (2041, 18920), (2236, 17270), (2365, 16328), (2795, 13816), (2860, 13502), (3140, 12298), (3454, 11180), (3784, 10205), (4082, 9460), (4472, 8635), (4730, 8164), (5590, 6908), (5720, 6751), (6149, 6280)]