71422728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 135418872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 37, 39, 46, 52, 69, 74, 78, 92, 104, 111, 138, 148, 156, 184, 222, 269, 276, 296, 299, 312, 444, 481, 538, 552, 598, 807, 851, 888, 897, 962, 1076, 1196, 1443, 1614, 1702, 1794, 1924, 2152, 2392, 2553, 2886, 3228, 3404, 3497, 3588, 3848, 5106, 5772, 6187, 6456, 6808, 6994, 7176, 9953, 10212, 10491, 11063, 11544, 12374, 13988, 18561, 19906, 20424, 20982, 22126, 24748, 27976, 29859, 33189, 37122, 39812, 41964, 44252, 49496, 59718, 66378, 74244, 79624, 80431, 83928, 88504, 119436, 129389, 132756, 148488, 160862, 228919, 238872, 241293, 258778, 265512, 321724, 388167, 457838, 482586, 517556, 643448, 686757, 776334, 915676, 965172, 1035112, 1373514, 1552668, 1831352, 1930344, 2747028, 2975947, 3105336, 5494056, 5951894, 8927841, 11903788, 17855682, 23807576, 35711364, 71422728]

約数ペア:

[(1, 71422728), (2, 35711364), (3, 23807576), (4, 17855682), (6, 11903788), (8, 8927841), (12, 5951894), (13, 5494056), (23, 3105336), (24, 2975947), (26, 2747028), (37, 1930344), (39, 1831352), (46, 1552668), (52, 1373514), (69, 1035112), (74, 965172), (78, 915676), (92, 776334), (104, 686757), (111, 643448), (138, 517556), (148, 482586), (156, 457838), (184, 388167), (222, 321724), (269, 265512), (276, 258778), (296, 241293), (299, 238872), (312, 228919), (444, 160862), (481, 148488), (538, 132756), (552, 129389), (598, 119436), (807, 88504), (851, 83928), (888, 80431), (897, 79624), (962, 74244), (1076, 66378), (1196, 59718), (1443, 49496), (1614, 44252), (1702, 41964), (1794, 39812), (1924, 37122), (2152, 33189), (2392, 29859), (2553, 27976), (2886, 24748), (3228, 22126), (3404, 20982), (3497, 20424), (3588, 19906), (3848, 18561), (5106, 13988), (5772, 12374), (6187, 11544), (6456, 11063), (6808, 10491), (6994, 10212), (7176, 9953)]