320246368

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1380

約数の個数: 96

約数和(自身を含む): 738339840

約数和(自身を除く): 418093472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 988, 992, 1178, 1307, 1612, 1976, 2356, 2614, 3224, 3952, 4712, 5228, 6448, 7657, 7904, 9424, 10456, 12896, 15314, 16991, 18848, 20912, 24833, 30628, 33982, 40517, 41824, 49666, 61256, 67964, 81034, 99332, 122512, 135928, 162068, 198664, 245024, 271856, 322829, 324136, 397328, 526721, 543712, 645658, 648272, 769823, 794656, 1053442, 1291316, 1296544, 1539646, 2106884, 2582632, 3079292, 4213768, 5165264, 6158584, 8427536, 10007699, 10330528, 12317168, 16855072, 20015398, 24634336, 40030796, 80061592, 160123184, 320246368]

約数ペア:

[(1, 320246368), (2, 160123184), (4, 80061592), (8, 40030796), (13, 24634336), (16, 20015398), (19, 16855072), (26, 12317168), (31, 10330528), (32, 10007699), (38, 8427536), (52, 6158584), (62, 5165264), (76, 4213768), (104, 3079292), (124, 2582632), (152, 2106884), (208, 1539646), (247, 1296544), (248, 1291316), (304, 1053442), (403, 794656), (416, 769823), (494, 648272), (496, 645658), (589, 543712), (608, 526721), (806, 397328), (988, 324136), (992, 322829), (1178, 271856), (1307, 245024), (1612, 198664), (1976, 162068), (2356, 135928), (2614, 122512), (3224, 99332), (3952, 81034), (4712, 67964), (5228, 61256), (6448, 49666), (7657, 41824), (7904, 40517), (9424, 33982), (10456, 30628), (12896, 24833), (15314, 20912), (16991, 18848)]