80641168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 174592000

約数和(自身を除く): 93950832

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 43, 62, 76, 86, 124, 152, 172, 199, 248, 304, 344, 398, 496, 589, 688, 796, 817, 1178, 1333, 1592, 1634, 2356, 2666, 3184, 3268, 3781, 4712, 5332, 6169, 6536, 7562, 8557, 9424, 10664, 12338, 13072, 15124, 17114, 21328, 24676, 25327, 30248, 34228, 49352, 50654, 60496, 68456, 98704, 101308, 117211, 136912, 162583, 202616, 234422, 265267, 325166, 405232, 468844, 530534, 650332, 937688, 1061068, 1300664, 1875376, 2122136, 2601328, 4244272, 5040073, 10080146, 20160292, 40320584, 80641168]

約数ペア:

[(1, 80641168), (2, 40320584), (4, 20160292), (8, 10080146), (16, 5040073), (19, 4244272), (31, 2601328), (38, 2122136), (43, 1875376), (62, 1300664), (76, 1061068), (86, 937688), (124, 650332), (152, 530534), (172, 468844), (199, 405232), (248, 325166), (304, 265267), (344, 234422), (398, 202616), (496, 162583), (589, 136912), (688, 117211), (796, 101308), (817, 98704), (1178, 68456), (1333, 60496), (1592, 50654), (1634, 49352), (2356, 34228), (2666, 30248), (3184, 25327), (3268, 24676), (3781, 21328), (4712, 17114), (5332, 15124), (6169, 13072), (6536, 12338), (7562, 10664), (8557, 9424)]