640288272

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4643}}^1$

素因数の和:4697

約数の個数: 120

約数和(自身を含む): 1896869664

約数和(自身を除く): 1256581392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 169, 204, 208, 221, 272, 312, 338, 408, 442, 507, 624, 663, 676, 816, 884, 1014, 1326, 1352, 1768, 2028, 2652, 2704, 2873, 3536, 4056, 4643, 5304, 5746, 8112, 8619, 9286, 10608, 11492, 13929, 17238, 18572, 22984, 27858, 34476, 37144, 45968, 55716, 60359, 68952, 74288, 78931, 111432, 120718, 137904, 157862, 181077, 222864, 236793, 241436, 315724, 362154, 473586, 482872, 631448, 724308, 784667, 947172, 965744, 1026103, 1262896, 1448616, 1569334, 1894344, 2052206, 2354001, 2897232, 3078309, 3138668, 3788688, 4104412, 4708002, 6156618, 6277336, 8208824, 9416004, 12313236, 12554672, 13339339, 16417648, 18832008, 24626472, 26678678, 37664016, 40018017, 49252944, 53357356, 80036034, 106714712, 160072068, 213429424, 320144136, 640288272]

約数ペア:

[(1, 640288272), (2, 320144136), (3, 213429424), (4, 160072068), (6, 106714712), (8, 80036034), (12, 53357356), (13, 49252944), (16, 40018017), (17, 37664016), (24, 26678678), (26, 24626472), (34, 18832008), (39, 16417648), (48, 13339339), (51, 12554672), (52, 12313236), (68, 9416004), (78, 8208824), (102, 6277336), (104, 6156618), (136, 4708002), (156, 4104412), (169, 3788688), (204, 3138668), (208, 3078309), (221, 2897232), (272, 2354001), (312, 2052206), (338, 1894344), (408, 1569334), (442, 1448616), (507, 1262896), (624, 1026103), (663, 965744), (676, 947172), (816, 784667), (884, 724308), (1014, 631448), (1326, 482872), (1352, 473586), (1768, 362154), (2028, 315724), (2652, 241436), (2704, 236793), (2873, 222864), (3536, 181077), (4056, 157862), (4643, 137904), (5304, 120718), (5746, 111432), (8112, 78931), (8619, 74288), (9286, 68952), (10608, 60359), (11492, 55716), (13929, 45968), (17238, 37144), (18572, 34476), (22984, 27858)]