72280208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4552

約数の個数: 80

約数和(自身を含む): 188071296

約数和(自身を除く): 115791088

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 4513, 8008, 9026, 16016, 18052, 31591, 36104, 49643, 58669, 63182, 72208, 99286, 117338, 126364, 198572, 234676, 252728, 347501, 397144, 410683, 469352, 505456, 645359, 695002, 794288, 821366, 938704, 1290718, 1390004, 1642732, 2581436, 2780008, 3285464, 4517513, 5162872, 5560016, 6570928, 9035026, 10325744, 18070052, 36140104, 72280208]

約数ペア:

[(1, 72280208), (2, 36140104), (4, 18070052), (7, 10325744), (8, 9035026), (11, 6570928), (13, 5560016), (14, 5162872), (16, 4517513), (22, 3285464), (26, 2780008), (28, 2581436), (44, 1642732), (52, 1390004), (56, 1290718), (77, 938704), (88, 821366), (91, 794288), (104, 695002), (112, 645359), (143, 505456), (154, 469352), (176, 410683), (182, 397144), (208, 347501), (286, 252728), (308, 234676), (364, 198572), (572, 126364), (616, 117338), (728, 99286), (1001, 72208), (1144, 63182), (1232, 58669), (1456, 49643), (2002, 36104), (2288, 31591), (4004, 18052), (4513, 16016), (8008, 9026)]