78745728

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 226195200

約数和(自身を除く): 147449472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 64, 76, 86, 96, 114, 128, 129, 152, 172, 192, 228, 251, 258, 304, 344, 384, 456, 502, 516, 608, 688, 753, 817, 912, 1004, 1032, 1216, 1376, 1506, 1634, 1824, 2008, 2064, 2432, 2451, 2752, 3012, 3268, 3648, 4016, 4128, 4769, 4902, 5504, 6024, 6536, 7296, 8032, 8256, 9538, 9804, 10793, 12048, 13072, 14307, 16064, 16512, 19076, 19608, 21586, 24096, 26144, 28614, 32128, 32379, 38152, 39216, 43172, 48192, 52288, 57228, 64758, 76304, 78432, 86344, 96384, 104576, 114456, 129516, 152608, 156864, 172688, 205067, 228912, 259032, 305216, 313728, 345376, 410134, 457824, 518064, 610432, 615201, 690752, 820268, 915648, 1036128, 1230402, 1381504, 1640536, 1831296, 2072256, 2460804, 3281072, 4144512, 4921608, 6562144, 9843216, 13124288, 19686432, 26248576, 39372864, 78745728]

約数ペア:

[(1, 78745728), (2, 39372864), (3, 26248576), (4, 19686432), (6, 13124288), (8, 9843216), (12, 6562144), (16, 4921608), (19, 4144512), (24, 3281072), (32, 2460804), (38, 2072256), (43, 1831296), (48, 1640536), (57, 1381504), (64, 1230402), (76, 1036128), (86, 915648), (96, 820268), (114, 690752), (128, 615201), (129, 610432), (152, 518064), (172, 457824), (192, 410134), (228, 345376), (251, 313728), (258, 305216), (304, 259032), (344, 228912), (384, 205067), (456, 172688), (502, 156864), (516, 152608), (608, 129516), (688, 114456), (753, 104576), (817, 96384), (912, 86344), (1004, 78432), (1032, 76304), (1216, 64758), (1376, 57228), (1506, 52288), (1634, 48192), (1824, 43172), (2008, 39216), (2064, 38152), (2432, 32379), (2451, 32128), (2752, 28614), (3012, 26144), (3268, 24096), (3648, 21586), (4016, 19608), (4128, 19076), (4769, 16512), (4902, 16064), (5504, 14307), (6024, 13072), (6536, 12048), (7296, 10793), (8032, 9804), (8256, 9538)]