123731720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19213}}^1$

素因数の和:19254

約数の個数: 64

約数和(自身を含む): 332017920

約数和(自身を除く): 208286200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 19213, 38426, 76852, 96065, 134491, 153704, 192130, 268982, 384260, 441899, 537964, 672455, 768520, 883798, 1075928, 1344910, 1767596, 2209495, 2689820, 3093293, 3535192, 4418990, 5379640, 6186586, 8837980, 12373172, 15466465, 17675960, 24746344, 30932930, 61865860, 123731720]

約数ペア:

[(1, 123731720), (2, 61865860), (4, 30932930), (5, 24746344), (7, 17675960), (8, 15466465), (10, 12373172), (14, 8837980), (20, 6186586), (23, 5379640), (28, 4418990), (35, 3535192), (40, 3093293), (46, 2689820), (56, 2209495), (70, 1767596), (92, 1344910), (115, 1075928), (140, 883798), (161, 768520), (184, 672455), (230, 537964), (280, 441899), (322, 384260), (460, 268982), (644, 192130), (805, 153704), (920, 134491), (1288, 96065), (1610, 76852), (3220, 38426), (6440, 19213)]