87761988

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{2251}}^1$

素因数の和:2302

約数の個数: 72

約数和(自身を含む): 240243360

約数和(自身を除く): 152481372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2166, 2251, 3249, 4332, 4502, 6498, 6753, 9004, 9747, 12996, 13506, 19494, 20259, 27012, 38988, 40518, 42769, 60777, 81036, 85538, 121554, 128307, 171076, 243108, 256614, 384921, 513228, 769842, 812611, 1154763, 1539684, 1625222, 2309526, 2437833, 3250444, 4619052, 4875666, 7313499, 9751332, 14626998, 21940497, 29253996, 43880994, 87761988]

約数ペア:

[(1, 87761988), (2, 43880994), (3, 29253996), (4, 21940497), (6, 14626998), (9, 9751332), (12, 7313499), (18, 4875666), (19, 4619052), (27, 3250444), (36, 2437833), (38, 2309526), (54, 1625222), (57, 1539684), (76, 1154763), (108, 812611), (114, 769842), (171, 513228), (228, 384921), (342, 256614), (361, 243108), (513, 171076), (684, 128307), (722, 121554), (1026, 85538), (1083, 81036), (1444, 60777), (2052, 42769), (2166, 40518), (2251, 38988), (3249, 27012), (4332, 20259), (4502, 19494), (6498, 13506), (6753, 12996), (9004, 9747)]