68705728

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 172053504

約数和(自身を除く): 103347776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 64, 91, 94, 104, 112, 182, 188, 208, 224, 251, 329, 364, 376, 416, 448, 502, 611, 658, 728, 752, 832, 1004, 1222, 1316, 1456, 1504, 1757, 2008, 2444, 2632, 2912, 3008, 3263, 3514, 4016, 4277, 4888, 5264, 5824, 6526, 7028, 8032, 8554, 9776, 10528, 11797, 13052, 14056, 16064, 17108, 19552, 21056, 22841, 23594, 26104, 28112, 34216, 39104, 45682, 47188, 52208, 56224, 68432, 82579, 91364, 94376, 104416, 112448, 136864, 153361, 165158, 182728, 188752, 208832, 273728, 306722, 330316, 365456, 377504, 613444, 660632, 730912, 755008, 1073527, 1226888, 1321264, 1461824, 2147054, 2453776, 2642528, 4294108, 4907552, 5285056, 8588216, 9815104, 17176432, 34352864, 68705728]

約数ペア:

[(1, 68705728), (2, 34352864), (4, 17176432), (7, 9815104), (8, 8588216), (13, 5285056), (14, 4907552), (16, 4294108), (26, 2642528), (28, 2453776), (32, 2147054), (47, 1461824), (52, 1321264), (56, 1226888), (64, 1073527), (91, 755008), (94, 730912), (104, 660632), (112, 613444), (182, 377504), (188, 365456), (208, 330316), (224, 306722), (251, 273728), (329, 208832), (364, 188752), (376, 182728), (416, 165158), (448, 153361), (502, 136864), (611, 112448), (658, 104416), (728, 94376), (752, 91364), (832, 82579), (1004, 68432), (1222, 56224), (1316, 52208), (1456, 47188), (1504, 45682), (1757, 39104), (2008, 34216), (2444, 28112), (2632, 26104), (2912, 23594), (3008, 22841), (3263, 21056), (3514, 19552), (4016, 17108), (4277, 16064), (4888, 14056), (5264, 13052), (5824, 11797), (6526, 10528), (7028, 9776), (8032, 8554)]