72437456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 179720640

約数和(自身を除く): 107283184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 89, 91, 104, 112, 169, 172, 178, 182, 208, 301, 338, 344, 356, 364, 559, 602, 623, 676, 688, 712, 728, 1118, 1157, 1183, 1204, 1246, 1352, 1424, 1456, 2236, 2314, 2366, 2408, 2492, 2704, 3827, 3913, 4472, 4628, 4732, 4816, 4984, 7267, 7654, 7826, 8099, 8944, 9256, 9464, 9968, 14534, 15041, 15308, 15652, 16198, 18512, 18928, 26789, 29068, 30082, 30616, 31304, 32396, 49751, 50869, 53578, 58136, 60164, 61232, 62608, 64792, 99502, 101738, 105287, 107156, 116272, 120328, 129584, 199004, 203476, 210574, 214312, 240656, 348257, 398008, 406952, 421148, 428624, 646763, 696514, 796016, 813904, 842296, 1293526, 1393028, 1684592, 2587052, 2786056, 4527341, 5174104, 5572112, 9054682, 10348208, 18109364, 36218728, 72437456]

約数ペア:

[(1, 72437456), (2, 36218728), (4, 18109364), (7, 10348208), (8, 9054682), (13, 5572112), (14, 5174104), (16, 4527341), (26, 2786056), (28, 2587052), (43, 1684592), (52, 1393028), (56, 1293526), (86, 842296), (89, 813904), (91, 796016), (104, 696514), (112, 646763), (169, 428624), (172, 421148), (178, 406952), (182, 398008), (208, 348257), (301, 240656), (338, 214312), (344, 210574), (356, 203476), (364, 199004), (559, 129584), (602, 120328), (623, 116272), (676, 107156), (688, 105287), (712, 101738), (728, 99502), (1118, 64792), (1157, 62608), (1183, 61232), (1204, 60164), (1246, 58136), (1352, 53578), (1424, 50869), (1456, 49751), (2236, 32396), (2314, 31304), (2366, 30616), (2408, 30082), (2492, 29068), (2704, 26789), (3827, 18928), (3913, 18512), (4472, 16198), (4628, 15652), (4732, 15308), (4816, 15041), (4984, 14534), (7267, 9968), (7654, 9464), (7826, 9256), (8099, 8944)]