15940696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 18619304

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 199, 248, 323, 398, 527, 589, 646, 796, 1054, 1178, 1292, 1592, 2108, 2356, 2584, 3383, 3781, 4216, 4712, 6169, 6766, 7562, 10013, 12338, 13532, 15124, 20026, 24676, 27064, 30248, 40052, 49352, 64277, 80104, 104873, 117211, 128554, 209746, 234422, 257108, 419492, 468844, 514216, 838984, 937688, 1992587, 3985174, 7970348, 15940696]

約数ペア:

[(1, 15940696), (2, 7970348), (4, 3985174), (8, 1992587), (17, 937688), (19, 838984), (31, 514216), (34, 468844), (38, 419492), (62, 257108), (68, 234422), (76, 209746), (124, 128554), (136, 117211), (152, 104873), (199, 80104), (248, 64277), (323, 49352), (398, 40052), (527, 30248), (589, 27064), (646, 24676), (796, 20026), (1054, 15124), (1178, 13532), (1292, 12338), (1592, 10013), (2108, 7562), (2356, 6766), (2584, 6169), (3383, 4712), (3781, 4216)]