72159568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 164196522

約数和(自身を除く): 92036954

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 361, 403, 494, 496, 589, 722, 806, 961, 988, 1178, 1444, 1612, 1922, 1976, 2356, 2888, 3224, 3844, 3952, 4693, 4712, 5776, 6448, 7657, 7688, 9386, 9424, 11191, 12493, 15314, 15376, 18259, 18772, 22382, 24986, 30628, 36518, 37544, 44764, 49972, 61256, 73036, 75088, 89528, 99944, 122512, 145483, 146072, 179056, 199888, 237367, 290966, 292144, 346921, 474734, 581932, 693842, 949468, 1163864, 1387684, 1898936, 2327728, 2775368, 3797872, 4509973, 5550736, 9019946, 18039892, 36079784, 72159568]

約数ペア:

[(1, 72159568), (2, 36079784), (4, 18039892), (8, 9019946), (13, 5550736), (16, 4509973), (19, 3797872), (26, 2775368), (31, 2327728), (38, 1898936), (52, 1387684), (62, 1163864), (76, 949468), (104, 693842), (124, 581932), (152, 474734), (208, 346921), (247, 292144), (248, 290966), (304, 237367), (361, 199888), (403, 179056), (494, 146072), (496, 145483), (589, 122512), (722, 99944), (806, 89528), (961, 75088), (988, 73036), (1178, 61256), (1444, 49972), (1612, 44764), (1922, 37544), (1976, 36518), (2356, 30628), (2888, 24986), (3224, 22382), (3844, 18772), (3952, 18259), (4693, 15376), (4712, 15314), (5776, 12493), (6448, 11191), (7657, 9424), (7688, 9386)]